Claude Opus 4.5 vs o1-pro: Specs & Benchmark Comparison
| Characteristic | Claude Opus 4.5 | o1-pro |
|---|---|---|
| Company | Anthropic | OpenAI |
| Release Date | November 23, 2025 | December 17, 2024 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 200K | — |
| Context (output) | 64K | — |
| Input Price / 1M | $5.00 | — |
| Output Price / 1M | $25.00 | — |
| Average Score | 0.9 | 0.8 |
| Benchmarks | ||
| GPQA | 0.9 | 0.8 |
Visual Benchmark Comparison
Claude Opus 4.5
o1-pro
GPQA0.9 vs 0.8
0.9
0.8
Verdict
Claude Opus 4.5 leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Opus 4.5 — 0.9, o1-pro — 0.8.
Recency
Claude Opus 4.5 is newer: released 11/23/2025 vs 12/17/2024.
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Frequently Asked Questions
Which is better for coding — Claude Opus 4.5 or o1-pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude Opus 4.5 or o1-pro?
API pricing data is available on the individual model pages.
Which has a larger context window — Claude Opus 4.5 or o1-pro?
Context window data is available on the individual model pages.
The Claude Opus 4.5 and o1-pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude Opus 4.5 or o1-pro page. See also the complete list of AI model comparisons.