Automated page. Written and translated automatically by AI and checked against the sources by software; no human editor. SI-IQ is an index built from public benchmark results, not an IQ test. How it works
How smart is o1?
o1 is a model from OpenAI, released on Dec 17, 2024. Its SI-IQ is 103 (90% interval 99–106), estimated from 6 benchmark results by 1 independent evaluators. Its strongest area is Knowledge and its weakest is Math.
This model has fewer than 5 independent benchmark results or fewer than 2 different evaluators, so it is shown but not ranked.
Facts
- Developer
- OpenAI
- Released
- Dec 17, 2024
- Access
- API access
- Benchmarks used
- 6 results from 1 evaluators
- API price
- $15 input / $60 output per 1M tokens (developer's price list, Oct 18, 2026)
- Context window
- 200,000 tokens
Ability by area (SI-IQ, 90% interval)
Every benchmark result we used
Each score is one value exactly as the source published it: for Epoch AI the best of its run settings, for OpenRouter the median hosting provider (the developer's own hosting when it ran the test). “Implied SI-IQ” is the ability that this single result points to; the overall SI-IQ is their precision-weighted average.
| Benchmark | Score | Evaluated by | Source |
|---|---|---|---|
| Chess Puzzles | 10.0% | Epoch AI | Epoch AI Benchmarking Hub · data file |
| FrontierMath Tiers 1–3 | 14.7% | Epoch AI | Epoch AI Benchmarking Hub · data file |
| MATH Level 5 | 94.7% | Epoch AI | Epoch AI Benchmarking Hub · data file |
| OTIS Mock AIME 2024–2025 | 73.3% | Epoch AI | Epoch AI Benchmarking Hub · data file |
| GPQA Diamond | 76.8% | Epoch AI | Epoch AI Benchmarking Hub · data file |
| SimpleQA Verified | 41.1% | Epoch AI | Epoch AI Benchmarking Hub · data file |
Human preference (Arena)
On the Arena leaderboard, where people vote between two anonymous answers, o1 has a rating of 1,402 (1,398–1,407) from 27,807 votes (published Oct 15, 2026). Human preference is a different measure from benchmark ability and is not part of SI-IQ. Arena (Hugging Face)
Computed with SI-IQ method version 1.0.0. Read the full methodology
Data sources: Arena leaderboard dataset on Hugging Face (CC BY 4.0); Epoch AI, ‘Capabilities & benchmarking’ (CC BY 4.0); API list prices via LiteLLM's price table (MIT); each price links to the developer's pricing page.