Anthropic: Claude Opus 4.6 vs OpenAI: o1-pro
Side-by-side comparison of Anthropic: Claude Opus 4.6 and OpenAI: o1-pro. Compare pricing, context window, capabilities, and find out which is better for your workflow.
Verdict
strong confidenceAnthropic: Claude Opus 4.6 leads overall
Anthropic: Claude Opus 4.6 leads in price and context window and capabilities and max output, making it the stronger choice for most workflows. OpenAI: o1-pro remains a solid alternative depending on your specific needs.
Best for with Anthropic: Claude Opus 4.6
Best for with OpenAI: o1-pro
Side-by-side
Technical specifications
| Anthropic: Claude Opus 4.6 | OpenAI: o1-pro | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input price | $5/M | $150/M |
| Output price | $25/M | $600/M |
| Context window | 1.0M | 200K |
| Max output | 128K | 100K |
| Capabilities | Tool useVisionReasoning | VisionReasoning |
| Released | Feb 4, 2026 | Mar 19, 2025 |
Scoring breakdown
How each dimension compares
Price
Anthropic: Claude Opus 4.6 leadsAnthropic: Claude Opus 4.6
$25/M tokens
OpenAI: o1-pro
$600/M tokens
Context Window
Anthropic: Claude Opus 4.6 leadsAnthropic: Claude Opus 4.6
1.0M tokens
OpenAI: o1-pro
200K tokens
Capabilities
Anthropic: Claude Opus 4.6 leadsAnthropic: Claude Opus 4.6
3/4
OpenAI: o1-pro
2/4
Max Output
Anthropic: Claude Opus 4.6 leadsAnthropic: Claude Opus 4.6
128K tokens
OpenAI: o1-pro
100K tokens
Recency
Anthropic: Claude Opus 4.6
Feb 2026
OpenAI: o1-pro
Mar 2025
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