Compare / head-to-head
DeepSeek V3vsGemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads 3 of 3 shared benchmarks. 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
0 – 3
Gemini 3.1 Pro Preview leads
Cheaper per token
—
list price, input + output
Larger context
Gemini 3.1 Pro Preview
1.0M tokens
Provider uptime (30d)
100% · 100%
DeepSeek · Google
DeepSeek V3
DeepSeek · released 2024-12-26
text
- Context
- 128K
- Max out
- 8K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 8 · 7 core
Gemini 3.1 Pro Preview
Google · released 2026-02-19
textvisionaudio
Quality
Benchmark matrix
3 shared · 4 only DeepSeek V3 · 6 only Gemini 3.1 Pro Preview| Benchmark | DeepSeek V3 | Gemini 3.1 Pro Preview | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 3 | ||||
| GPQA Diamond | 59.1% ↗ | 94.3% ↗ | -35.2 pt | Gemini 3.1 Pro Preview |
| LMArena Elo | 1332.4 ↗ | 1480.1 ↗ | -147.7 | Gemini 3.1 Pro Preview |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 15.8% ↗epoch | 95.6% ↗epoch | -79.8 pt | Gemini 3.1 Pro Preview |
| Only DeepSeek V3 reports · 4 | ||||
| SWE-bench Verified | 42% ↗ | not reported | — | — |
| MMLU | 88.5% ↗ | not reported | — | — |
| MMLU-Pro | 75.9% ↗ | not reported | — | — |
| AIME 2025 | 25% ↗matharena | not reported | — | — |
| Only Gemini 3.1 Pro Preview reports · 6 | ||||
| AIME 2026 | not reported | 98.3% ↗matharena ⚠ | — | — |
| ARC-AGI-2 | not reported | 77.1% ↗ | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | not reported | 26.8% ↗epoch | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | not reported | 59.6% ↗epoch | — | — |
| SimpleQA Verified | not reported | 73.5% ↗epoch | — | — |
| 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 V3 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 V3 | Gemini 3.1 Pro Preview | Edge |
|---|---|---|---|
| Context window | 128K tokens | 1.0M tokens | Gemini 3.1 Pro Preview |
| Max output | 8K tokens | 66K tokens | Gemini 3.1 Pro Preview |
| Input price / 1M | — | $2 ↗ | — |
| Output price / 1M | — | $12 ↗ | — |
| Cached input / 1M | — | $0.2 ↗ | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | $14 | — |
| Modalities | text | text · vision · audio | Gemini 3.1 Pro Preview |
| Released | 2024-12-26 | 2026-02-19 | — |
| Cited benchmark scores | 8 | 10 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
DeepSeek V3 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?
Public benchmarks are a starting point. Run DeepSeek V3 and Gemini 3.1 Pro Preview on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.