Claude 3.7 Sonnet vs o1 (12-17)
Claude 3.7 Sonnet (2024) and o1 (12-17) (2024) are frontier-tier reasoning models from Anthropic and OpenAI. Claude 3.7 Sonnet ships a 200K-token context window, while o1 (12-17) ships a 128K-token context window. On Massive Multi-discipline Multimodal Understanding, o1 (12-17) leads by 3.2 pts. On pricing, Claude 3.7 Sonnet costs $3/1M input tokens versus $15/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Claude 3.7 Sonnet is ~400% cheaper at $3/1M; pay for o1 (12-17) only for coding workflow support.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-03-04 | 2024-12-17 |
| Context window | 200K | 128K |
| Parameters | — | — |
| Architecture | decoder only | decoder only |
| License | Proprietary | Proprietary |
| Knowledge cutoff | 2024-11 | - |
Pricing and availability
| Pricing attribute | Claude 3.7 Sonnet | o1 (12-17) |
|---|---|---|
| Input price | $3/1M tokens | $15/1M tokens |
| Output price | $15/1M tokens | $60/1M tokens |
| Providers |
Capabilities
| Capability | Claude 3.7 Sonnet | o1 (12-17) |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | No |
| Reasoning | Yes | Yes |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | Yes | No |
| Code execution | Yes | Yes |
Benchmarks
| Benchmark | Claude 3.7 Sonnet | o1 (12-17) |
|---|---|---|
| Massive Multi-discipline Multimodal Understanding | 75.0 | 78.2 |
Deep dive
On shared benchmark coverage, Massive Multi-discipline Multimodal Understanding has Claude 3.7 Sonnet at 75 and o1 (12-17) at 78.2, with o1 (12-17) ahead by 3.2 points. The largest visible gap is 3.2 points on Massive Multi-discipline Multimodal Understanding, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.
The capability footprint differs most on vision: Claude 3.7 Sonnet, multimodal input: Claude 3.7 Sonnet, function calling: Claude 3.7 Sonnet, tool use: Claude 3.7 Sonnet, and structured outputs: Claude 3.7 Sonnet. Both models share reasoning mode and code execution, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, Claude 3.7 Sonnet lists $3/1M input and $15/1M output tokens, while o1 (12-17) lists $15/1M input and $60/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Claude 3.7 Sonnet lower by about $21.90 per million blended tokens. Availability is 6 providers versus 2, so concentration risk also matters.
Choose Claude 3.7 Sonnet when coding workflow support, larger context windows, and lower input-token cost are central to the workload. Choose o1 (12-17) when coding workflow support are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, Claude 3.7 Sonnet or o1 (12-17)?
Claude 3.7 Sonnet supports 200K tokens, while o1 (12-17) supports 128K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Claude 3.7 Sonnet or o1 (12-17)?
Claude 3.7 Sonnet is cheaper on tracked token pricing. Claude 3.7 Sonnet costs $3/1M input and $15/1M output tokens. o1 (12-17) costs $15/1M input and $60/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Claude 3.7 Sonnet or o1 (12-17) open source?
Claude 3.7 Sonnet is listed under Proprietary. o1 (12-17) is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, Claude 3.7 Sonnet or o1 (12-17)?
Claude 3.7 Sonnet has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, Claude 3.7 Sonnet or o1 (12-17)?
Claude 3.7 Sonnet has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Claude 3.7 Sonnet and o1 (12-17)?
Claude 3.7 Sonnet is available on Snowflake Cortex, GCP Vertex AI, Replicate API, OpenRouter, and AWS Bedrock. o1 (12-17) is available on Replicate API and OpenAI API. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.