This model is deprecated. We only continue performance benchmarking for the default 10k input token workload. Results for other workloads are historical and no longer updated.
OpenAI has launched a newer release, o3. We suggest considering it instead.
o1-preview Intelligence, Performance & Price Analysis
Model summary
Speed
Verbosity
o1-preview is among the least intelligent models and particularly expensive when comparing to other models of similar price. The model supports text input, outputs text, and has a 128k tokens context window with knowledge up to October 2023.
o1-preview scores 11 on the Artificial Analysis Intelligence Index, placing it at the lower end among comparable models (median: 27).
Pricing for o1-preview is $16.50 per 1M input tokens (expensive, median: $2.00) and $66.00 per 1M output tokens (expensive, median: $10.00).
| Reasoning | Yes This page shows the reasoning version of this model. A non-reasoning variant may also exist. |
|---|---|
| Input modality | Supports: text |
| Output modality | Supports: text |
| Knowledge cutoff | Oct 1, 2023 |
| Context window | 128k ~192 A4 pages of size 12 Arial font |
Metrics are compared against models of the same class:
- Non-reasoning models → compared only with other non-reasoning models
- Reasoning models → compared across both reasoning and non-reasoning
- Open weights models → compared only with other open weights models of the same size class:
- Tiny: ≤4B parameters
- Small: 4B–40B parameters
- Medium: 40B–150B parameters
- Large: >150B parameters
- Proprietary models → compared across proprietary and open weights models of the same price range, using a blended 3:1 input/output price ratio:
- <$0.15 per 1M tokens
- $0.15–$1 per 1M tokens
- >$1 per 1M tokens
Speed
Intelligence
Artificial Analysis Intelligence Index
Artificial Analysis Intelligence Index by Open Weights / Proprietary
Intelligence Index vs. Cost per Task
Evaluations
Agentic knowledge work, Elo
Knowledge
1 - hallucination rate
Agentic SaaS workflows
Agentic real-world work tasks, Elo
Reasoning & knowledge
Professional document reasoning, All-pass
Agentic coding & terminal use
Long context reasoning
Coding
Physics reasoning
Agentic scientific research workflows in a terminal
Agentic software engineering in open-source repositories
Quantitative analysis on spreadsheets & documents
Legal agentic work, Hallucination-Gated All-Pass Rate
Agentic business operations
Agentic interactive 3D experiences, Elo
Kubernetes incident root-cause analysis
Medical long context reasoning
Visual reasoning
Rich, varied, well-crafted language
Well-structured, scannable, answer-first
Truthful, acknowledges uncertainty, non-sycophantic
Use of filler and generic language
Intelligence Index Comparisons
Intelligence Index vs. Cost per Task
Cost
Cost per Intelligence Index Task
Cost to Run Artificial Analysis Intelligence Index
Pricing: Cache Hit, Input, and Output
Context Window
Context Window
Frequently Asked Questions
Common questions about o1-preview
o1-preview was released on September 12, 2024.
o1-preview was created by OpenAI.
o1-preview scores 11 (estimated) on the Artificial Analysis Intelligence Index, placing it at the lower end among other models in a similar price tier (median: 27).
o1-preview costs $16.50 per 1M input tokens (at the higher end, median: $2.00) and $66.00 per 1M output tokens (at the higher end, median: $10.00), based on the median across providers serving the model.
o1-preview costs $16.50 per 1M input tokens and $66.00 per 1M output tokens (based on the median across providers serving the model). For a blended rate (7:2:1 cache hit/input/output ratio), this is $15.68 per 1M tokens. Pricing may vary by provider. Compare provider pricing
Yes, o1-preview is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.
o1-preview supports text input.
o1-preview supports text output.
No, o1-preview does not support image input. It can only process text.
No, o1-preview is not multimodal. It only supports text input.
o1-preview has a context window of 130k tokens. This determines how much text and conversation history the model can process in a single request.
No, o1-preview is proprietary. The model weights are not publicly available.
o1-preview is a proprietary model and OpenAI has not disclosed the model size or parameter count.
o1-preview achieves a score of 11 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.
o1-preview has a knowledge cutoff of October 2023. The model's training data includes information up to this date.
Yes, o1-preview is available via API through 1 provider. Compare API providers
o1-preview is available through 1 API provider. Compare providers