ModelRefs / Gemini 2.5 Flash vs Claude 3.7 Sonnet
Gemini 2.5 Flash vs Claude 3.7 Sonnet
Gemini 2.5 Flash vs Claude 3.7 Sonnet: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
Claude 3.7 Sonnet: Claude 3.7 Sonnet is Anthropic's February 2025 hybrid reasoning model, combining immediate answers with an optional extended thinking mode in a single model rather than two. Thinking can be budgeted by token count up to a 128,000-token output limit, across a 200,000-token context window. The claude-3-7-sonnet-20250219 snapshot was deprecated on 28 October 2025 and retired on Anthropic-operated platforms on 19 February 2026.
Gemini 2.5 Flash: Gemini 2.5 Flash is Google DeepMind's price-performance model for low-latency, high-volume work that still needs reasoning, with thinking supported. It accepts text, image, audio and video input across a 1,048,576-token context window, returns up to 65,536 tokens, and carries a January 2025 knowledge cutoff. Google now limits access to existing users while keeping the model served.
Context window: Claude 3.7 Sonnet accepts up to 200,000 tokens, Gemini 2.5 Flash up to 1,000,000. Confirm the limit for your specific deployment channel before relying on it.
Claude 3.7 Sonnet vs Gemini 2.5 Flash at a glance
| Attribute | Claude 3.7 Sonnet | Gemini 2.5 Flash |
|---|---|---|
| Provider | Anthropic | |
| Released | 2025-02-24 | 2025-06-17 |
| Context window | 200,000 tokens | 1,000,000 tokens |
| Input price | $3/M tokens | $0.075/M tokens |
| Output price | $15/M tokens | $0.3/M tokens |
| Licence | Proprietary | Proprietary |
| Self-hostable | No, hosted only | No, hosted only |
| Modalities | text, vision | text, vision, audio |
Where they differ most
- Cost Efficiency: Claude 3.7 Sonnet 37%, Gemini 2.5 Flash 95%. Gemini 2.5 Flash leads on this dimension.
Capability scores are ModelRefs' own derived signals, not vendor claims or benchmark results. Validate against your own workload before relying on them.
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Gemini 2.5 Flash vs Claude 3.7 Sonnet.
Frequently asked questions
Which is better, Gemini 2.5 Flash or Claude 3.7 Sonnet?
Gemini 2.5 Flash and Claude 3.7 Sonnet target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is Gemini 2.5 Flash cheaper than Claude 3.7 Sonnet?
Compare $0.00007 vs $0.00300 on this page.