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Claude Opus 4.7vsGemini 3.1 Pro Preview

Claude Opus 4.7 leads 5 of 8 shared benchmarks. Gemini 3.1 Pro Preview is 2.1x 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
5 – 3
Claude Opus 4.7 leads
Cheaper per token
Gemini 3.1 Pro Preview
2.1x cheaper, input + output
Larger context
Gemini 3.1 Pro Preview
1.0M tokens
Provider uptime (30d)
100% · 100%
Anthropic · Google
Claude Opus 4.7
Anthropic · released 2026-04-16
textvision
Context
1M
Max out
128K
Input /1M
$5
Output /1M
$25
Cached /1M
$0.5
Scores
18 · 14 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

BenchmarkClaude Opus 4.7Gemini 3.1 Pro PreviewΔEdge
Reported by both · 8
GPQA Diamond94.2% 94.3% -0.1 ptGemini 3.1 Pro Preview
AIME 202695.8% matharena98.3% matharena-2.5 ptGemini 3.1 Pro Preview
LMArena Elo1483.4 1480.1 +3.3Claude Opus 4.7
FrontierMath Tier 4 v2 (Epoch AI run)31.7% epoch26.8% epoch+4.9 ptClaude Opus 4.7
FrontierMath Tiers 1-3 v2 (Epoch AI run)70.2% epoch59.6% epoch+10.6 ptClaude Opus 4.7
OTIS Mock AIME 2024-2025 (Epoch AI run)97.8% epoch95.6% epoch+2.2 ptClaude Opus 4.7
SimpleQA Verified51.7% epoch73.5% epoch-21.8 ptGemini 3.1 Pro Preview
SWE-Bench Pro64.3% 54.2% +10.1 ptClaude Opus 4.7
Only Claude Opus 4.7 reports · 9
SWE-bench Verified87.6% not reported
Humanity's Last Exam (no tools)46.9% not reported
BrowseComp79.8% not reported
Humanity's Last Exam (with tools)54.7% not reported
OSWorld-Verified82.8% not reported
SWE-bench Multilingual80.5% not reported
SWE-bench Multimodal34.5% not reported
SWE-bench Verified (Epoch AI run)83.5% epochnot reported
Terminal-Bench 2.166.1% not reported
Only Gemini 3.1 Pro Preview reports · 1
ARC-AGI-2not reported77.1%
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 Claude Opus 4.7 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

SpecClaude Opus 4.7Gemini 3.1 Pro PreviewEdge
Context window1M tokens1.0M tokensGemini 3.1 Pro Preview
Max output128K tokens66K tokensClaude Opus 4.7
Input price / 1M$5 $2 Gemini 3.1 Pro Preview
Output price / 1M$25 $12 Gemini 3.1 Pro Preview
Cached input / 1M$0.5 $0.2 Gemini 3.1 Pro Preview
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$30$14Gemini 3.1 Pro Preview
Modalitiestext · visiontext · vision · audioGemini 3.1 Pro Preview
Released2026-04-162026-02-19
Cited benchmark scores1810
Reliability

Provider status

All providers
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Public benchmarks are a starting point. Run Claude Opus 4.7 and Gemini 3.1 Pro Preview on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.