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  1. Home
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  3. Compare

Gemini 3.7 Flash vs Claude Sonnet 5

Compare Gemini 3.7 Flash from Google and Claude Sonnet 5 from Anthropic on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Favicon for google
Gemini 3.7 Flash
Favicon for anthropic
Claude Sonnet 5
Favicon for google
Gemini 3.7 Flash
Favicon for anthropic
Claude Sonnet 5

Overview

Gemini 3.7 Flash
Author
Google
Claude Sonnet 5
Author
Anthropic
Gemini 3.7 Flash
Context length
1.05Mtokens
Claude Sonnet 5
Context length
1Mtokens
Gemini 3.7 Flash
Reasoning
Claude Sonnet 5
Reasoning
Gemini 3.7 Flash
Input modalities
Claude Sonnet 5
Input modalities
Gemini 3.7 Flash
Output modalities
Claude Sonnet 5
Output modalities

Gemini 3.7 Flash vs Claude Sonnet 5: side-by-side summary

Gemini 3.7 Flash and Claude Sonnet 5 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

Gemini 3.7 Flash, from Google, has a 1,048,576-token context window and is priced at $0.75/M tokens input, $3.75/M tokens output on OpenRouter.

Claude Sonnet 5, from Anthropic, has a 1,000,000-token context window and is priced at $2/M tokens input, $10/M tokens output on OpenRouter.

Context window
  • Gemini 3.7 Flash: 1,048,576 tokens
  • Claude Sonnet 5: 1,000,000 tokens
Price
  • Gemini 3.7 Flash: $0.75/M tokens input, $3.75/M tokens output
  • Claude Sonnet 5: $2/M tokens input, $10/M tokens output
Provided by
  • Gemini 3.7 Flash: Google
  • Claude Sonnet 5: Anthropic
  • Gemini 3.7 Flash model details, providers and pricing
  • Claude Sonnet 5 model details, providers and pricing

Gemini 3.7 Flash vs Claude Sonnet 5 at a glance

Gemini 3.7 Flash vs Claude Sonnet 5 comparison
AttributeGemini 3.7 FlashClaude Sonnet 5
Input price$0.75/M tokens$2/M tokens
Output price$3.75/M tokens$10/M tokens
Context window1,048,576 tokens1,000,000 tokens
Intelligence Index39.634.4
Coding Index71.5Not available
Agentic IndexNot availableNot available
Latency (p50)1.38 s2.27 s
Throughput (p50)93.0 tok/s81.0 tok/s

Benchmark data updated Oct 5, 2026

Frequently asked questions

Is Gemini 3.7 Flash cheaper than Claude Sonnet 5?

Gemini 3.7 Flash is cheaper than Claude Sonnet 5 on OpenRouter: Gemini 3.7 Flash costs $0.75/M tokens input and $3.75/M tokens output, while Claude Sonnet 5 costs $2/M tokens input and $10/M tokens output.

Which has the longer context window, Gemini 3.7 Flash or Claude Sonnet 5?

Gemini 3.7 Flash has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Claude Sonnet 5.

Which is faster, Gemini 3.7 Flash or Claude Sonnet 5?

Gemini 3.7 Flash is faster on OpenRouter, generating a median 93.0 tokens per second compared with 81.0 tokens per second for Claude Sonnet 5.