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DeepSeek V3.2vsGemini 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 V3.2
DeepSeek · released 2025-12-01
text
Context
131K
Max out
66K
Input /1M
Output /1M
Cached /1M
Scores
8 · 7 core
Gemini 3.1 Pro Preview
Google · released 2026-02-19
textvisionaudio
Context
1.0M
Max out
66K
Input /1M
$2
Output /1M
$12
Cached /1M
$0.2
Scores
10 · 8 core
Quality

Benchmark matrix

BenchmarkDeepSeek V3.2Gemini 3.1 Pro PreviewΔEdge
Reported by both · 3
GPQA Diamond82.4% 94.3% -11.9 ptGemini 3.1 Pro Preview
AIME 202694.2% matharena98.3% matharena-4.1 ptGemini 3.1 Pro Preview
LMArena Elo1424.8 1480.1 -55.3Gemini 3.1 Pro Preview
Only DeepSeek V3.2 reports · 4
SWE-bench Verified73.1% not reported
MMLU-Pro85% not reported
AIME 202593.1% not reported
Humanity's Last Exam (no tools)25.1% not reported
Only Gemini 3.1 Pro Preview reports · 6
ARC-AGI-2not reported77.1%
FrontierMath Tier 4 v2 (Epoch AI run)not reported26.8% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported59.6% epoch
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported95.6% epoch
SimpleQA Verifiednot reported73.5% epoch
SWE-Bench Pronot reported54.2%
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 V3.2 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

SpecDeepSeek V3.2Gemini 3.1 Pro PreviewEdge
Context window131K tokens1.0M tokensGemini 3.1 Pro Preview
Max output66K tokens66K tokensTie
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
Modalitiestexttext · vision · audioGemini 3.1 Pro Preview
Released2025-12-012026-02-19
Cited benchmark scores810
Reliability

Provider status

All providers
More matchups

Gemini 3.1 Pro Preview vs …

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Which one wins on your data?

Public benchmarks are a starting point. Run DeepSeek V3.2 and Gemini 3.1 Pro Preview on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.