o1-preview (09-12)
Released
2024-09-12
Last refreshed
2026-05-19
Status
Researched 105d ago
ProprietaryCommercial use: conditionalCodingAgentsLong context
o1-preview (09-12) is a released coding, agents, and long context model with 128k context; evaluate it while provider pricing coverage matures.
Use it for
- Teams evaluating coding, agents, and long context
- Workloads that can use a 128k context window
Do not use it for
- Cost-sensitive launches that need sourced token pricing
- Vision or document-understanding workloads
- Strict JSON or tool-calling flows
Specifications
- Family
- o1
- Released
- 2024-09-12
- Context
- 128k
- Architecture
- Decoder Only
- Knowledge cutoff
- 2023-10
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
- Training
- Fine-tuned
Created by
Pricing
No tracked provider token pricing is available yet.
About
o1-preview (09-12) is OpenAI's o1 model with an optional reasoning mode. It offers a 128K-token context window and scores 73.3 on GPQA.
Top use-case fit: coding, agents, and build tasks
Coding
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
No tracked provider token pricing is available for this model yet.
Capabilities
ReasoningCode Execution
Benchmark peer barsfor Coding
No task-mapped benchmark peers are available for this model yet.
Benchmark scores(1)
Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
| Benchmark | Score | Version | Evaluation | Source |
|---|---|---|---|---|
| Google-Proof Q&A | 73.3 | diamondObserved 2026-04-15 | — | Source |
Migration checks
No linked migration route is available for this model yet.