Anthropic: Claude 3.7 Sonnet vs OpenAI: GPT-5.1
Side-by-side comparison of Anthropic: Claude 3.7 Sonnet and OpenAI: GPT-5.1. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceOpenAI: GPT-5.1 leads overall
OpenAI: GPT-5.1 leads in price and context window and max output, making it the stronger choice for most workflows. Anthropic: Claude 3.7 Sonnet remains a solid alternative depending on your specific needs.
Best for with Anthropic: Claude 3.7 Sonnet
Best for with OpenAI: GPT-5.1
Side-by-side
Technical specifications
| Anthropic: Claude 3.7 Sonnet | OpenAI: GPT-5.1 | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input price | $3/M | $1/M |
| Output price | $15/M | $10/M |
| Context window | 200K | 400K |
| Max output | 64K | 128K |
| Capabilities | Tool useVisionReasoning | Tool useVisionReasoning |
| Released | Feb 24, 2025 | Nov 13, 2025 |
Scoring breakdown
How each dimension compares
Price
OpenAI: GPT-5.1 leadsAnthropic: Claude 3.7 Sonnet
$15/M tokens
OpenAI: GPT-5.1
$10/M tokens
Context Window
OpenAI: GPT-5.1 leadsAnthropic: Claude 3.7 Sonnet
200K tokens
OpenAI: GPT-5.1
400K tokens
Capabilities
Anthropic: Claude 3.7 Sonnet
3/4
OpenAI: GPT-5.1
3/4
Max Output
OpenAI: GPT-5.1 leadsAnthropic: Claude 3.7 Sonnet
64K tokens
OpenAI: GPT-5.1
128K tokens
Recency
Anthropic: Claude 3.7 Sonnet
Feb 2025
OpenAI: GPT-5.1
Nov 2025
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