Leaderboard · Compare · Claude 3.7 Sonnet vs GPT-5 · Updated
Claude 3.7 Sonnet vs GPT-5
GPT-5 edges out Claude 3.7 Sonnet on the composite (86.0 vs 76.0). The gap is meaningful but not decisive — see the per-benchmark breakdown below.
At a glance
| Spec | Claude 3.7 Sonnet | GPT-5 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Released | 2025-02 | 2025-08 |
| Tier | general-purpose | frontier |
| License | Closed | Closed |
| Context window | 200k | 400k |
| $ in / out (per 1M) | $3.00 / $15.00 | $1.25 / $10.00 |
Benchmark scoreboard
Higher is better on every benchmark. Δ shows Claude 3.7 Sonnet − GPT-5.
| Benchmark | Claude 3.7 Sonnet | GPT-5 | Δ |
|---|---|---|---|
| Chatbot Arena Elo | 1340 | 1410 | -70 |
| MMLU-Pro | 83.5 | 86.8 | -3.3 |
| GPQA Diamond | 71.8 | 87.3 | -15.5 |
| MATH | 89.0 | 96.7 | -7.7 |
| HumanEval | 92.0 | 95.1 | -3.1 |
| SWE-Bench Verified | 62.3 | 74.9 | -12.6 |
Numbers compiled from provider technical reports and Chatbot Arena snapshots — see methodology.
OpenRouter routes Claude 3.7 Sonnet, GPT-5, and 100+ other LLMs behind a single API key — pay-as-you-go, no monthly minimum, fallback if a provider is down. Try OpenRouter → (affiliate · supports this site)
Claude 3.7 Sonnet vs GPT-5: where each one wins
Claude 3.7 Sonnet is stronger on
No benchmarks where Claude 3.7 Sonnet beats GPT-5 with comparable data.
GPT-5 is stronger on
- Arena
- MMLU-Pro
- GPQA
- MATH
- HumanEval
- SWE-Bench
Cost comparison
At 10M tokens/day (50/50 split), Claude 3.7 Sonnet costs ~$90.00/day vs $56.25/day for GPT-5 — GPT-5 is the cheaper pick at this volume.
Verdict
GPT-5 edges out Claude 3.7 Sonnet on the composite (86.0 vs 76.0). The gap is meaningful but not decisive — see the per-benchmark breakdown below.
If you can only pick one and your workload is unclear, route via OpenRouter and switch by request — same key, no lock-in.
Frequently asked questions
Which is better, Claude 3.7 Sonnet or GPT-5?
GPT-5 edges out Claude 3.7 Sonnet on the composite (86.0 vs 76.0). The gap is meaningful but not decisive — see the per-benchmark breakdown below. Claude 3.7 Sonnet wins on no benchmarks; GPT-5 wins on Arena, MMLU-Pro, GPQA, MATH, HumanEval, SWE-Bench.
What does Claude 3.7 Sonnet cost compared to GPT-5?
At 10M tokens/day (50/50 split), Claude 3.7 Sonnet costs ~$90.00/day vs $56.25/day for GPT-5 — GPT-5 is the cheaper pick at this volume.
What is the context window of Claude 3.7 Sonnet vs GPT-5?
Claude 3.7 Sonnet: 200k tokens. GPT-5: 400k tokens. GPT-5 has the larger window — useful for long-document RAG and full-codebase prompting.
Is Claude 3.7 Sonnet or GPT-5 open source?
Claude 3.7 Sonnet: closed / proprietary. GPT-5: closed / proprietary.
Can I try Claude 3.7 Sonnet and GPT-5 on the same API key?
Yes — OpenRouter routes both models behind a single key, so you can A/B test Claude 3.7 Sonnet against GPT-5 without juggling provider accounts.
Model deep-dives: Claude 3.7 Sonnet · GPT-5 · Full leaderboard
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