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Claude 4 Sonnet vs Gemini 3.1 Pro Preview

Head to head on 23 shared benchmarks, with price, context window, and release dates.

Benchmark scores

65

evals · sort by any column, ⤢ to expand fullscreen

Model
Gemini 3.1 Pro Preview

Google (Alphabet Inc.)

64.5%1489elo68.293.2%94.1%47.0%77.1%82.4%76.5%78.5%79.1%85.4%91.0%84.0%59.1%76.1%69.4%76.2%48.7%58.9%72.9%53.8%95.6%--76.8%12.3%-26.5%-222.0%73.1%22.8%-1142elo43.0%36.9%42.5%16.7%1314elo15.1%84.4%0.0%--86.3%--26.0%--72.7%---54.2%70.7%79.4-41.9%56.1%32.0%--58.9%
Claude 4 Sonnet

Anthropic

54.7%1480elo58.467.5%68.3%4.3%45.4%64.8%77.5%54.6%44.3%72.9%70.5%69.0%33.9%72.4%62.5%43.9%35.0%37.3%69.6%27.3%52.3%40.7%38.0%--22.9%-47.8%----19.8%---------44.9%93.4%-86.7%83.7%-6.186.18-58.3%35.6%74.6%---0.59---84.0%84.0%55.5%
2 / 2 models
AttributeClaude 4 Sonnet

Anthropic

Gemini 3.1 Pro Preview

Google (Alphabet Inc.)

DescriptionClaude 4 Sonnet is an AI model from Anthropic.Gemini 3.1 Pro Preview is an AI model from Google (Alphabet Inc.).
FamilyClaudeGemini
Params--
Open weightsclosed-
Licenseproprietary-
Released22 May 202519 Feb 2026
Context200,0001,048,576
Input $/1M$3.00$2.00
Output $/1M$15.00$12.00
Cache read $/1M-$0.200
Cache write $/1M-$0.375
Speed0 tok/s122 tok/s
Latency0.00 s20.68 s
Modalitiestext, imageaudio, file, image, text, video
Providers--
PublisherAnthropicGoogle (Alphabet Inc.)
Reported scores

FAQ

Is Claude 4 Sonnet or Gemini 3.1 Pro Preview better?
Across the 23 benchmarks both models report on Sophon, Gemini 3.1 Pro Preview leads on 22 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Claude 4 Sonnet and Gemini 3.1 Pro Preview compare on GPQA Diamond?
Claude 4 Sonnet scores 68.3% and Gemini 3.1 Pro Preview scores 94.1% on GPQA Diamond.
Which is cheaper, Claude 4 Sonnet or Gemini 3.1 Pro Preview?
Gemini 3.1 Pro Preview is cheaper at $12.00 per million output tokens against $15.00 for Claude 4 Sonnet - about 1.3x.
When were Claude 4 Sonnet and Gemini 3.1 Pro Preview released?
Claude 4 Sonnet was released 22 May 2025 by Anthropic. Gemini 3.1 Pro Preview was released 19 Feb 2026 by Google (Alphabet Inc.).

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