OpenAI o1 edges out the Anthropic Claude 3 Opus in the ai language models category, particularly in design, scoring 58 vs 44. If you want the better overall performer, OpenAI o1 is the clear pick.
Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✗ Cons
✓ Pros
Lower cost = better value. Free = open-source self-hosted.
| Metric | 3 Opus | OpenAI o1 |
|---|---|---|
| Input (Prompt) | $15.00/1M | $15.00/1M |
| Output (Completion) | $75.00/1M | ✓$60.00/1M |
| Open Source | Proprietary | Proprietary |
Context Window (tokens)
| Metric | 3 Opus | OpenAI o1 |
|---|---|---|
| Max Output | 4,096 tok | ✓100,000 tok |
| Speed | 35 tok/s | ✓40 tok/s |
| Time to First Token | ✓1.2s | 5.0s |
| Languages | 50+ | 50+ |
Higher is better. Industry-standard AI evaluation benchmarks.
3 Opus
OpenAI o1
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OpenAI o1
| Feature | 3 Opus | OpenAI o1 |
|---|---|---|
| Reasoning / Chain-of-Thought | ✕ | ✓ |
| Vision (Image Input) | ✓ | ✓ |
| Audio Input | ✕ | ✕ |
| Video Input | ✕ | ✕ |
| Image/Audio Output | ✕ | ✕ |
| Function Calling / Tools | ✓ | ✓ |
| JSON Mode | ✓ | ✓ |
| Real-time Web Access | ✕ | ✕ |
| Fine-tuning Support | ✕ | ✕ |
| Batch API | ✓ | ✓ |
| Streaming | ✓ | ✓ |
| Open Source | ✕ | ✕ |
| Field | 3 Opus | OpenAI o1 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Knowledge Cutoff | 2023-08 | 2023-10 |
| Best For | complex analysisresearchlong context | reasoningmathsciencecomplex coding |
Buy Anthropic Claude 3 Opus if…
The Anthropic Claude 3 Opus is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy OpenAI o1 if…
Buy the OpenAI o1 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Quem você acha que ganha este confronto?
OpenAI o1 edges out the Anthropic Claude 3 Opus in the ai language models category, particularly in design, scoring 58 vs 44. If you want the better overall performer, OpenAI o1 is the clear pick.
No, OpenAI o1 scores higher (93 vs 88).
Check the latest prices using the buy links above.
The Anthropic Claude 3 Opus is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy the OpenAI o1 if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Reviewed by VersusMatrix Editorial Team
Last updated: April 18, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.