Compare / head-to-head
DeepSeek V4 ProvsGemini 3 Flash Preview
DeepSeek V4 Pro and Gemini 3 Flash Preview split their 6 shared benchmarks evenly. Gemini 3 Flash 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
3 – 3
even split
Cheaper per token
—
list price, input + output
Larger context
Gemini 3 Flash Preview
1.0M tokens
Provider uptime (30d)
100% · 100%
DeepSeek · Google
DeepSeek V4 Pro
DeepSeek · released 2026-08-13
text
Gemini 3 Flash Preview
Google · released 2025-12-17
textvisionaudio
- Context
- 1.0M
- Max out
- 66K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 13 · 9 core
Quality
Benchmark matrix
6 shared · 5 only DeepSeek V4 Pro · 5 only Gemini 3 Flash Preview| Benchmark | DeepSeek V4 Pro | Gemini 3 Flash Preview | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 6 | ||||
| GPQA Diamond | 90.9% ↗epoch | 90.4% ↗ | +0.5 pt | DeepSeek V4 Pro |
| FrontierMath Tier 4 v2 (Epoch AI run) | 2.4% ↗epoch | 17.1% ↗epoch | -14.7 pt | Gemini 3 Flash Preview |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 45.3% ↗epoch | 51.2% ↗epoch | -5.9 pt | Gemini 3 Flash 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 | 68.7% ↗ | -21.7 pt | Gemini 3 Flash Preview |
| SWE-bench Verified (Epoch AI run) | 77.6% ↗epoch | 75.4% ↗epoch | +2.2 pt | DeepSeek V4 Pro |
| Only DeepSeek V4 Pro reports · 5 | ||||
| AIME 2026 | 96.7% ↗matharena ⚠ | not reported | — | — |
| LMArena Elo | 1450.6 ↗ | not reported | — | — |
| DeepSWE v1.1 | 62.7% ↗ | not reported | — | — |
| Humanity's Last Exam (with tools) | 60% ↗ | not reported | — | — |
| Terminal-Bench 2.1 | 87.9% ↗ | not reported | — | — |
| Only Gemini 3 Flash Preview reports · 5 | ||||
| SWE-bench Verified | not reported | 78% ↗ | — | — |
| AIME 2025 | not reported | 95.2% ↗ | — | — |
| Humanity's Last Exam (no tools) | not reported | 33.7% ↗ | — | — |
| MMMU-Pro | not reported | 81.2% ↗ | — | — |
| Terminal-Bench 2.0 | not reported | 47.6% ↗ | — | — |
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 Flash 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 Flash Preview | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1.0M tokens | Gemini 3 Flash Preview |
| Max output | 384K tokens | 66K tokens | DeepSeek V4 Pro |
| Input price / 1M | $0.435 ↗ | — | — |
| Output price / 1M | $0.87 ↗ | — | — |
| Cached input / 1M | $0.004 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $1.31 | — | — |
| Modalities | text | text · vision · audio | Gemini 3 Flash Preview |
| Released | 2026-08-13 | 2025-12-17 | — |
| Cited benchmark scores | 11 | 13 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
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