Compare DeepSeek V4 Pro and Gemini 3.1 Pro on context and price
DeepSeek V4 Pro vs Gemini 3.1 Pro: which should I use?
Compare DeepSeek V4 Pro and Gemini 3.1 Pro by checking modality requirements (DeepSeek text-only vs Gemini multimodal), context limits (1M vs 2M), and token economics where DeepSeek offers lowest cost and Gemini offers multimodal depth. Verified 2026-09-07.
Verified 2026-09-07
Where can you find price, speed, and task evidence for DeepSeek V4 Pro and Gemini 3.1 Pro?
Which tasks fit DeepSeek V4 Pro and Gemini 3.1 Pro?
Best-fit task signals from the published model strengths; this is not a substitute for a controlled benchmark.
| Fact | DeepSeek V4 Pro | Gemini 3.1 Pro |
|---|---|---|
| Best fit | Rigorous math, proofs, and hard algorithmic problems on a budget. | Whole-codebase, whole-document, or long-video analysis in a single request. |
| Reasoning mode | Available | Available |
What does a Coding Agent workload cost with DeepSeek V4 Pro and Gemini 3.1 Pro?
Modeled for Coding Agent: 20,000 input + 2,000 output tokens per task, 1 turn. This is a workload model, not a provider quote.
| Fact | DeepSeek V4 Pro | Gemini 3.1 Pro |
|---|---|---|
| Coding Agent / task | $0.03 (modeled) (winner) | $0.06 (modeled) |
| Input / output rate | $1.32 / $3.96 per M | $2.00 / $12.00 per M |
How fast are DeepSeek V4 Pro and Gemini 3.1 Pro?
Only non-estimated benchmark results are shown as measured.
| Fact | DeepSeek V4 Pro | Gemini 3.1 Pro |
|---|---|---|
| Measured throughput | 68 tokens/s (winner) | 55 tokens/s |
| Time to first token | 480 ms | 420 ms |
How compatible are DeepSeek V4 Pro and Gemini 3.1 Pro with APIs?
Provider-level wire-format and SDK facts; model-specific parameter differences may still apply.
| Fact | DeepSeek V4 Pro | Gemini 3.1 Pro |
|---|---|---|
| OpenAI SDK | Usable | Not drop-in |
| Request shape | OpenAI-compatible chat/completions; set model to a deepseek-* id and point base_url at api.deepseek.com. | contents/parts structure instead of messages; an OpenAI-compatible endpoint exists but only covers a subset of parameters. |
| Streaming | SSE (OpenAI delta) | SSE (Gemini streamGenerateContent) |
What are the privacy and retention policies for DeepSeek V4 Pro and Gemini 3.1 Pro?
Provider policy and residency facts from the verified provider registry. A missing retention policy is not treated as a guarantee.
| Fact | DeepSeek V4 Pro | Gemini 3.1 Pro |
|---|---|---|
| Provider says API data trains models | Unavailable | No |
| Published retention period | Unavailable | Unavailable |
| Data residency | Unavailable | Global by default; Vertex AI offers selectable regional endpoints |
How much effort does it take to migrate between DeepSeek V4 Pro and Gemini 3.1 Pro?
Direction is from each displayed model to the other. Effort is derived from provider compatibility and published parameter maps.
| Fact | DeepSeek V4 Pro | Gemini 3.1 Pro |
|---|---|---|
| Move DeepSeek V4 Pro → Gemini 3.1 Pro | code-change; 0 breaking parameter differences | Target: Gemini 3.1 Pro |
| Move Gemini 3.1 Pro → DeepSeek V4 Pro | Source: Gemini 3.1 Pro | config; 6 breaking parameter differences |
| Why | contents/parts structure instead of messages; an OpenAI-compatible endpoint exists but only covers a subset of parameters. | Keep the `openai` SDK; change `baseURL` and the API key. |
DeepSeek V4 Pro vs Gemini 3.1 Pro 500K/1M/2M decision surface
Formula: eligible cost = token bill only after context and modality gates; DeepSeek is text-only here and unit prices are never mixed.
| Surface | DeepSeek V4 Pro | Gemini 3.1 Pro |
|---|---|---|
| 500K text | Eligible; context 1,000,000; max output 384,000; cost $0.691680 | Eligible; context 2,000,000; max output 64,000; cost $1.096000 |
| 1M text | Eligible; context 1,000,000; max output 384,000; cost $1.351680 | Eligible; context 2,000,000; max output 64,000; cost $2.096000 |
| 2M text | Excluded; context 1,000,000; max output 384,000; cost Unavailable | Eligible; context 2,000,000; max output 64,000; cost $4.096000 |
| Audio / vision | text | text, vision, audio |
Verified 2026-04-06. Pricing provenance: DeepSeek V4 Pro pricing (2026-08-14); Gemini 3.1 Pro pricing (2026-04-06). Capability: DeepSeek V4 Pro; Gemini 3.1 Pro. Provider: DeepSeek; Google. Missing evidence is Unavailable, never inferred.
DeepSeek V4 Pro vs Gemini 3.1 Pro peak/off-peak versus context-tier bill envelope
Formula: DeepSeek peak windows are 01:00–04:00 and 06:00–10:00 UTC; off-peak is the complement, with rates taken from the documented schedule. Undocumented context-tier behavior remains Unavailable.
| Scenario: 100K in + 8K out | DeepSeek V4 Pro | Gemini 3.1 Pro |
|---|---|---|
| Peak/standard | $1.320000 input / $3.960000 output per M (standard/peak) | $2.000000 input / $12.000000 output per M (standard/peak) |
| Off-peak (complement of peak windows) | $0.660000 input / $1.980000 output per M (off-peak) | Unavailable |
| Computed peak bill | $0.163680 | $0.296000 |
| Computed off-peak bill | $0.081840 | Unavailable |
| Context-tier discount | Unavailable | Unavailable |
Verified 2026-04-06. Pricing provenance: DeepSeek V4 Pro pricing (2026-08-14); Gemini 3.1 Pro pricing (2026-04-06). Capability: DeepSeek V4 Pro; Gemini 3.1 Pro. Provider: DeepSeek; Google. Missing evidence is Unavailable, never inferred.
DeepSeek V4 Pro vs Gemini 3.1 Pro measured throughput capacity table
Formula: sequential duration = calls × output tokens ÷ measured tokens/s; TTFT is the measured first-token delay and is not multiplied into throughput.
| Sequential calls | DeepSeek V4 Pro | Gemini 3.1 Pro |
|---|---|---|
| 1 × 8,000 output | 117.65s duration (68 tok/s); TTFT 480 ms | 145.45s duration (55 tok/s); TTFT 420 ms |
| 5 × 8,000 output | 588.24s duration (68 tok/s); TTFT 480 ms | 727.27s duration (55 tok/s); TTFT 420 ms |
| 10 × 8,000 output | 1176.47s duration (68 tok/s); TTFT 480 ms | 1454.55s duration (55 tok/s); TTFT 420 ms |
| 20 × 8,000 output | 2352.94s duration (68 tok/s); TTFT 480 ms | 2909.09s duration (55 tok/s); TTFT 420 ms |
Verified 2026-04-06. Pricing provenance: DeepSeek V4 Pro pricing (2026-08-14); Gemini 3.1 Pro pricing (2026-04-06). Capability: DeepSeek V4 Pro; Gemini 3.1 Pro. Provider: DeepSeek; Google. Missing evidence is Unavailable, never inferred.
Batch 60 · exact-pair decision contributions · verified 2026-09-07
Exact pair boundary: DeepSeek / Google; model endpoint, 1M vs 2M context, text-only vs multimodal, off-peak vs tier pricing, and TTFT must join. Requested models are deepseek-v4-pro and gemini-3.1-pro. Provider, rate, pricing, and task pages remain fact owners.
Context and modality decision surface
Frozen Batch 60 scenario board. Formula / deterministic rule: eligible = text_only ? Both : (audio_or_vision ? Gemini : Excluded); context > 1M excludes DeepSeek Boundary: Owns text vs multimodal routing for long context.
| Frozen scenario / field ID | Pair, identity, host, surface, and evidence fields | Result | State |
|---|---|---|---|
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m1-r1text-only document (250K) | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=text-only document (250K); task description; input modality; token count; DeepSeek status; Gemini status; gating decision; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — text-only document (250K) is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m1-r2long text corpus (750K) | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=long text corpus (750K); task description; input modality; token count; DeepSeek status; Gemini status; gating decision; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — long text corpus (750K) is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m1-r3maximum 1M text window | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=maximum 1M text window; task description; input modality; token count; DeepSeek status; Gemini status; gating decision; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — maximum 1M text window is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m1-r42M extreme context dataset | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=2M extreme context dataset; task description; input modality; token count; DeepSeek status; Gemini status; gating decision; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — 2M extreme context dataset is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m1-r5multimodal image analysis | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=multimodal image analysis; task description; input modality; token count; DeepSeek status; Gemini status; gating decision; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — multimodal image analysis is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m1-r6native audio recording QA | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=native audio recording QA; task description; input modality; token count; DeepSeek status; Gemini status; gating decision; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — native audio recording QA is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
First-party provenance: Google Gemini API model documentation; verification date 2026-09-07. Missing or conflicting joins fail closed.
Peak/off-peak versus context-tier billing envelope
Frozen Batch 60 scenario board. Formula / deterministic rule: cost = input_tokens * input_rate + output_tokens * output_rate; Gemini tier 2 applies >128K tokens Boundary: Owns cross-provider pricing model comparison.
| Frozen scenario / field ID | Pair, identity, host, surface, and evidence fields | Result | State |
|---|---|---|---|
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m2-r1sub-128K standard queries | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=sub-128K standard queries; workload shape; context tier; DeepSeek peak cost; DeepSeek off-peak cost; Gemini cost; winner and ratio; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — sub-128K standard queries is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m2-r2sub-128K off-peak batch | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=sub-128K off-peak batch; workload shape; context tier; DeepSeek peak cost; DeepSeek off-peak cost; Gemini cost; winner and ratio; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — sub-128K off-peak batch is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m2-r3long context (>128K) peak | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=long context (>128K) peak; workload shape; context tier; DeepSeek peak cost; DeepSeek off-peak cost; Gemini cost; winner and ratio; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — long context (>128K) peak is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m2-r4long context (>128K) off-peak | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=long context (>128K) off-peak; workload shape; context tier; DeepSeek peak cost; DeepSeek off-peak cost; Gemini cost; winner and ratio; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — long context (>128K) off-peak is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m2-r5high-cache hit rate scenario | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=high-cache hit rate scenario; workload shape; context tier; DeepSeek peak cost; DeepSeek off-peak cost; Gemini cost; winner and ratio; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — high-cache hit rate scenario is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m2-r6unresolved token count | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=unresolved token count; workload shape; context tier; DeepSeek peak cost; DeepSeek off-peak cost; Gemini cost; winner and ratio; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — unresolved token count has no matched, dated bilateral observation. | FAIL CLOSED — manual, probe, or source evidence required |
First-party provenance: DeepSeek API pricing; verification date 2026-09-07. Missing or conflicting joins fail closed.
Sequential throughput and capacity board
Frozen Batch 60 scenario board. Formula / deterministic rule: duration = ttft + (tokens_out / tokens_per_sec) * calls; measured speed metrics control estimates Boundary: Owns execution speed and throughput forecasting.
| Frozen scenario / field ID | Pair, identity, host, surface, and evidence fields | Result | State |
|---|---|---|---|
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m3-r11 single interactive call | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=1 single interactive call; workflow calls; output tokens per call; DeepSeek duration; Gemini duration; throughput comparison; capacity status; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — 1 single interactive call is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m3-r25 sequential reasoning steps | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=5 sequential reasoning steps; workflow calls; output tokens per call; DeepSeek duration; Gemini duration; throughput comparison; capacity status; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — 5 sequential reasoning steps is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m3-r310 multi-step agent actions | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=10 multi-step agent actions; workflow calls; output tokens per call; DeepSeek duration; Gemini duration; throughput comparison; capacity status; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — 10 multi-step agent actions is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m3-r420 bulk processing jobs | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=20 bulk processing jobs; workflow calls; output tokens per call; DeepSeek duration; Gemini duration; throughput comparison; capacity status; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — 20 bulk processing jobs is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m3-r5concurrency saturation test | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=concurrency saturation test; workflow calls; output tokens per call; DeepSeek duration; Gemini duration; throughput comparison; capacity status; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — concurrency saturation test is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
batch60-deepseek-v4-pro-vs-gemini-3-1-pro-m3-r6unmeasured speed sample | pair=deepseek-v4-pro vs gemini-3.1-pro; provider=DeepSeek / Google; hostA=api.deepseek.com; hostB=generativelanguage.googleapis.com; surfaceA=DeepSeek API; surfaceB=Gemini API; requested/effective IDs=deepseek-v4-pro,gemini-3.1-pro; scenario=unmeasured speed sample; workflow calls; output tokens per call; DeepSeek duration; Gemini duration; throughput comparison; capacity status; prompt/config/input/output/result/cache/checkpoint/artifact hashes=required; evidence=2026-09-07; measurement versus assumption=explicit | Unavailable — unmeasured speed sample is a frozen fixture pending exact identity, configuration, and denominator joins. | UNTESTED — assumption cannot establish a verdict |
First-party provenance: All AI Ask measured speed dataset; verification date 2026-09-07. Missing or conflicting joins fail closed.
Method and limitations: formulas are deterministic; observed and assumed inputs are labeled; no missing provider, host, account, region, realm, alias, snapshot, revision, weight, artifact, control, tool, modality, workload, rate-period, timestamp, or result is transferred. Run the deepseek-v4-pro-vs-gemini-3-1-pro Batch 60 scenario →
How do DeepSeek V4 Pro and Gemini 3.1 Pro compare on specs?
| DeepSeek V4 Pro | Gemini 3.1 Pro | |
|---|---|---|
| Price (input) | $1.32/M ✓ | $2.00/M |
| Price (output) | $3.96/M ✓ | $12.00/M |
| Blended price | $1.98/M ✓ | $4.50/M |
| Context window | 1,000,000 tokens | 2,000,000 tokens ✓ |
| Max output | 384,000 tokens ✓ | 64,000 tokens |
| Modalities | text | text, vision, audio |
| Reasoning mode | Yes | Yes |
| Released | 2026-05 | 2026-02 |
| Speed | 68 t/s ✓ | 55 t/s |
How much do DeepSeek V4 Pro and Gemini 3.1 Pro cost at scale?
| Tokens / month | DeepSeek V4 Pro | Gemini 3.1 Pro | Delta |
|---|---|---|---|
| 1,000,000 | $1.98 | $4.50 | $2.52 (2.3×) |
| 10,000,000 | $19.80 | $45.00 | $25.20 (2.3×) |
| 100,000,000 | $198.00 | $450.00 | $252.00 (2.3×) |
Choose DeepSeek V4 Pro if…
- ✓Thinking mode with visible chain-of-thought
- ✓Frontier-level math and competition coding
- ✓Still far cheaper than closed frontier models
- ✓Rigorous math, proofs, and hard algorithmic problems on a budget.
Choose Gemini 3.1 Pro if…
- ✓Largest context window of any current model (2M tokens)
- ✓Native audio and video understanding
- ✓Google Search grounding
- ✓Whole-codebase, whole-document, or long-video analysis in a single request.
Run this exact matchup right now
Send the same prompt to DeepSeek V4 Pro and Gemini 3.1 Pro side by side and see the outputs yourself.
Try DeepSeek V4 Pro vs Gemini 3.1 Pro FreeWhat are common questions about DeepSeek V4 Pro and Gemini 3.1 Pro?
Is DeepSeek V4 Pro cheaper than Gemini 3.1 Pro?
DeepSeek V4 Pro is cheaper, at $1.98 per million blended tokens vs $4.50 for Gemini 3.1 Pro.
Which has the bigger context window, DeepSeek V4 Pro or Gemini 3.1 Pro?
Gemini 3.1 Pro has the larger context window: 2,000,000 tokens vs 1,000,000.
Can DeepSeek V4 Pro replace Gemini 3.1 Pro for coding?
Both are viable for coding. Thinking mode with visible chain-of-thought (DeepSeek V4 Pro) vs Largest context window of any current model (2M tokens) (Gemini 3.1 Pro) — pick based on which strength matters more for your workload.
Which is faster, DeepSeek V4 Pro or Gemini 3.1 Pro?
DeepSeek V4 Pro is faster: 68 t/s vs 55 t/s, measured on our speed benchmarks.
Neither of these? See DeepSeek V4 Pro alternatives or Gemini 3.1 Pro alternatives.
What related comparisons help choose between DeepSeek V4 Pro and Gemini 3.1 Pro?
DeepSeek V4 Pro pricingGemini 3.1 Pro pricingvs Claude Opus 4.8vs Claude Sonnet 5vs Gemini 3.7 Flashvs GPT-5.6 SolPremium model tests
Pricing verified 2026-04-06. Specs verified 2026-08-14.