Claude 3.7 Sonnet vs Gemini 2.0 Flash
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
- PriceGemini 2.0 Flash
Gemini 2.0 Flash is roughly 37.5× cheaper on output tokens ($0.40 vs $15.00 per 1M).
- Context windowGemini 2.0 Flash
Gemini 2.0 Flash accepts 1.0M tokens vs 200K, 5.2× the room for long documents and codebases.
- BenchmarksTie
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.
- ModalitiesGemini 2.0 Flash
Gemini 2.0 Flash supports 3 modalities (text, vision, audio) vs 2 for Claude 3.7 Sonnet.
- OpennessTie
Both are closed-weight, API-only.
On balance Gemini 2.0 Flash edges ahead, winning 3 of 5 categories against Claude 3.7 Sonnet's 0. Gemini 2.0 Flash is roughly 37.5× cheaper on output tokens ($0.40 vs $15.00 per 1M). Gemini 2.0 Flash accepts 1.0M tokens vs 200K, 5.2× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. They differ in modality coverage, Claude 3.7 Sonnet handles text, vision while Gemini 2.0 Flash handles text, vision, audio, which can be the deciding factor before you even look at benchmarks. Both are closed-weight, API-only.
Both shipped within roughly a month of each other in 2025, so they share the same generation of training data and tooling. Claude 3.7 Sonnet is usually picked for coding llm and creative writing workloads, while Gemini 2.0 Flash sees more deployments in rag and long context. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Claude 3.7 Sonnet | Gemini 2.0 Flash |
|---|---|---|
| Provider | Anthropic | |
| Released | Feb 2025 | Feb 2025 |
| Modalities | text, vision | text, vision, audio |
| Context window | 200K tokens | 1.0M tokens |
| Max output | , | , |
| Input · 1M | $3.00 / 1M tokens | $0.10 / 1M tokens |
| Output · 1M | $15.00 / 1M tokens | $0.40 / 1M tokens |
| Knowledge cutoff | 2024-10 | 2024-08 |
| Open weights | No | No |
| API available | Yes | Yes |
Pricing at scale
What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.
- Light usage, 100k in / 50k out per day$31.50 vs $0.900
- Heavy usage, 1M in / 500k out per day$315 vs $9.00
- RAG workload, 5M in / 200k out per day$540 vs $17.40
Light usage, 100k in / 50k out per day: $31.50 vs $0.900 per month, model B comes out ahead. Heavy usage, 1M in / 500k out per day: $315 vs $9.00 per month, model B comes out ahead. RAG workload, 5M in / 200k out per day: $540 vs $17.40 per month, model B comes out ahead.
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Claude 3.7 Sonnet$1.05
- Gemini 2.0 Flash$0.030
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
- HumanEval92.0
- SWE-bench Verified62.3
Claude 3.7 Sonnet fits when…
- First Claude with extended thinking
- Excellent writing and coding quality
- Mature, widely-tested
Gemini 2.0 Flash fits when…
- Long context
- Cheap
- Cost-sensitive workloads, 37.5× cheaper than Claude 3.7 Sonnet on output tokens.
- Long-context tasks, handles 1.0M tokens vs 200K for Claude 3.7 Sonnet.
- Multimodal needs covering audio.
Consider Claude Opus 4.7
Anthropic's mid-2026 flagship, ahead on SWE-bench, agent reliability, and writing quality.
Frequently asked
Is Claude 3.7 Sonnet or Gemini 2.0 Flash cheaper?
Gemini 2.0 Flash is cheaper at $0.40 / 1M tokens per million output tokens, vs $15.00 / 1M tokens for Claude 3.7 Sonnet.Which has the larger context window?
Gemini 2.0 Flash accepts 1.0M tokens vs 200K for Claude 3.7 Sonnet.Is Claude 3.7 Sonnet or Gemini 2.0 Flash better for coding?
Both Claude 3.7 Sonnet and Gemini 2.0 Flash are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.Are either of these models open source?
Neither model ships open weights, both are accessible only via their respective providers' APIs.When were Claude 3.7 Sonnet and Gemini 2.0 Flash released?
Claude 3.7 Sonnet was released by Anthropic on 2025-02-24. Gemini 2.0 Flash was released by Google on 2025-02-05.
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