Compare / head-to-head
DeepSeek V4 ProvsGemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads 6 of 7 shared benchmarks. DeepSeek V4 Pro is 10.7x cheaper per token. Gemini 3.1 Pro Preview has the larger context window (1.0M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 6
Gemini 3.1 Pro Preview leads
Cheaper per token
DeepSeek V4 Pro
10.7x cheaper, input + output
Larger context
Gemini 3.1 Pro Preview
1.0M tokens
Provider uptime (30d)
100% · 100%
DeepSeek · Google
DeepSeek V4 Pro
DeepSeek · released 2026-08-13
text
Gemini 3.1 Pro Preview
Google · released 2026-02-19
textvisionaudio
Quality
Benchmark matrix
7 shared · 4 only DeepSeek V4 Pro · 2 only Gemini 3.1 Pro Preview| Benchmark | DeepSeek V4 Pro | Gemini 3.1 Pro Preview | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 7 | ||||
| GPQA Diamond | 90.9% ↗epoch | 94.3% ↗ | -3.4 pt | Gemini 3.1 Pro Preview |
| AIME 2026 | 96.7% ↗matharena ⚠ | 98.3% ↗matharena ⚠ | -1.6 pt | Gemini 3.1 Pro Preview |
| LMArena Elo | 1450.6 ↗ | 1480.1 ↗ | -29.5 | Gemini 3.1 Pro Preview |
| FrontierMath Tier 4 v2 (Epoch AI run) | 2.4% ↗epoch | 26.8% ↗epoch | -24.4 pt | Gemini 3.1 Pro Preview |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 45.3% ↗epoch | 59.6% ↗epoch | -14.3 pt | Gemini 3.1 Pro Preview |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 96.7% ↗epoch | 95.6% ↗epoch | +1.1 pt | DeepSeek V4 Pro |
| SimpleQA Verified | 47% ↗epoch | 73.5% ↗epoch | -26.5 pt | Gemini 3.1 Pro Preview |
| Only DeepSeek V4 Pro reports · 4 | ||||
| DeepSWE v1.1 | 62.7% ↗ | not reported | — | — |
| Humanity's Last Exam (with tools) | 60% ↗ | not reported | — | — |
| SWE-bench Verified (Epoch AI run) | 77.6% ↗epoch | not reported | — | — |
| Terminal-Bench 2.1 | 87.9% ↗ | not reported | — | — |
| Only Gemini 3.1 Pro Preview reports · 2 | ||||
| ARC-AGI-2 | not reported | 77.1% ↗ | — | — |
| SWE-Bench Pro | not reported | 54.2% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is DeepSeek V4 Pro minus Gemini 3.1 Pro Preview in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | DeepSeek V4 Pro | Gemini 3.1 Pro Preview | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1.0M tokens | Gemini 3.1 Pro Preview |
| Max output | 384K tokens | 66K tokens | DeepSeek V4 Pro |
| Input price / 1M | $0.435 ↗ | $2 ↗ | DeepSeek V4 Pro |
| Output price / 1M | $0.87 ↗ | $12 ↗ | DeepSeek V4 Pro |
| Cached input / 1M | $0.004 ↗ | $0.2 ↗ | DeepSeek V4 Pro |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $1.31 | $14 | DeepSeek V4 Pro |
| Modalities | text | text · vision · audio | Gemini 3.1 Pro Preview |
| Released | 2026-08-13 | 2026-02-19 | — |
| Cited benchmark scores | 11 | 10 | — |
Reliability
Provider status
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DeepSeek V4 Pro vs …
Models sharing the most benchmarksMore matchups
Gemini 3.1 Pro Preview vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
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