Looking for an honest Anthropic Claude 3.5 Haiku vs OpenAI o1 comparison in 2026? We scored both ai language models on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Anthropic Claude 3.5 Haiku comes out ahead 65/100 to 58/100 — a 7-point gap. The widest gap is in display, where the Anthropic Claude 3.5 Haiku pulls noticeably ahead.
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Anthropic Claude 3.5 Haiku narrowly beats the OpenAI o1 in the ai language models category, especially in value, scoring 65 vs 58. If you want the better overall ai language models, Anthropic Claude 3.5 Haiku is the recommended choice.
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.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
Lower cost = better value. Free = open-source self-hosted.
| Metric | 3.5 Haiku | OpenAI o1 |
|---|---|---|
| Input (Prompt) | ✓$0.80/1M | $15.00/1M |
| Output (Completion) | ✓$4.00/1M | $60.00/1M |
| Open Source | Proprietary | Proprietary |
Context Window (tokens)
| Metric | 3.5 Haiku | OpenAI o1 |
|---|---|---|
| Max Output | 8,192 tok | ✓100,000 tok |
| Speed | ✓180 tok/s | 40 tok/s |
| Time to First Token | ✓350ms | 5.0s |
| Languages | 50+ | 50+ |
Higher is better. Industry-standard AI evaluation benchmarks.
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OpenAI o1
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| Feature | 3.5 Haiku | 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 | 3.5 Haiku | OpenAI o1 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Knowledge Cutoff | 2024-07 | 2023-10 |
| Best For | fast taskshigh volumecost efficiencycoding | reasoningmathsciencecomplex coding |
Buy Anthropic Claude 3.5 Haiku if…
Buy the Anthropic Claude 3.5 Haiku if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy OpenAI o1 if…
The OpenAI o1 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Anthropic Claude 3.5 Haiku narrowly beats the OpenAI o1 in the ai language models category, especially in value, scoring 65 vs 58. If you want the better overall ai language models, Anthropic Claude 3.5 Haiku is the recommended choice.
Yes, Anthropic Claude 3.5 Haiku scores higher overall (75 vs 75).
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Buy the Anthropic Claude 3.5 Haiku if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
The OpenAI o1 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 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.
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