Claude Sonnet 5 vs Gemini 3.7 Flash: Specs & Benchmark Comparison
Claude Sonnet 5 is developed by Anthropic, while Gemini 3.7 Flash comes from Google. Claude Sonnet 5 was released in June 2026, and Gemini 3.7 Flash followed 2 months later in August 2026.
We have 22 benchmark results for Claude Sonnet 5 and 4 benchmark results for Gemini 3.7 Flash, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
Gemini 3.7 Flash is the cheaper API at $0.75 per million input tokens and $3.75 per million output tokens, roughly 3 times cheaper than Claude Sonnet 5 at $2 and $10. Both accept a context window of about 1M tokens. Both accept text and images as input.
| Characteristic | Claude Sonnet 5 | Gemini 3.7 Flash |
|---|---|---|
| Company | Anthropic | |
| Release Date | June 30, 2026 | August 13, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 64K | 66K |
| Input Price / 1M | $2.00 | $0.75 |
| Output Price / 1M | $10.00 | $3.75 |
| Average Score | 60.5% | 79.6% |
Verdict
Gemini 3.7 Flash leads in 3 out of 4 comparison categories.
Both models show comparable average scores: Claude Sonnet 5 — 0.6, Gemini 3.7 Flash — 0.8.
Gemini 3.7 Flash is 2.7x cheaper: input $0.75/1M vs $2.00/1M tokens.
Gemini 3.7 Flash supports a larger context: 1M vs 1M tokens.
Gemini 3.7 Flash is newer: released 8/13/2026 vs 6/30/2026.
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Frequently Asked Questions
Which is better for coding — Claude Sonnet 5 or Gemini 3.7 Flash?
Which model is cheaper — Claude Sonnet 5 or Gemini 3.7 Flash?
Which has a larger context window — Claude Sonnet 5 or Gemini 3.7 Flash?
The Claude Sonnet 5 and Gemini 3.7 Flash comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Sonnet 5 or Gemini 3.7 Flash page. See also the complete list of AI model comparisons.