Scheduled for retirement on Nov 19, 2026. Still available at the prices below until then.
Context
200K
Max output
100K
Serving providers
5
Cheapest input
$15.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: Artificial AnalysisHeadline indices
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CritPt | 0% | default | — | |||||||||||||
| GPQA Diamond | 75% | default | — | |||||||||||||
| ||||||||||||||||
| Humanity's Last Exam | 7% | default | — | |||||||||||||
| IFBench | 70% | default | — | |||||||||||||
| LiveCodeBench | 68% | default | — | |||||||||||||
| Long-Context Reasoning | 65% | default | — | |||||||||||||
| MMLU-ProFrozen Aug 18, 2026 | 84% | default | — | |||||||||||||
| Omniscience | -11.1 | default | — | |||||||||||||
| Omniscience Accuracy | 0.3 | default | — | |||||||||||||
| Omniscience Non Hallucination | 0.3 | default | — | |||||||||||||
| SciCodeArtificial Analysis did not report this score in its latest run on Oct 14, 2026 | 36% | — | — | |||||||||||||
| TerminalBench Hard | 13% | default | — | |||||||||||||
| τ²-bench | 63% | default | — | |||||||||||||
Artificial Analysis last published scores for this benchmark on Sep 9, 2026. Scores here are frozen at that date, and models released since are not on it.
Artificial Analysis last published scores for this benchmark on Aug 18, 2026. Scores here are frozen at that date, and models released since are not on it.
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Azure | $15.00 | $60.00 | 1 | |||||||||||||||||
Standardazure/o1
| ||||||||||||||||||||
| OpenAICheapest | $15.00 | $60.00 | 1 | |||||||||||||||||
Standardo1
| ||||||||||||||||||||
| OpenRouter | $15.00 | $60.00 | 1 | |||||||||||||||||
Standardopenai/o1
| ||||||||||||||||||||
| Replicate | $15.00 | $60.00 | 1 | |||||||||||||||||
Standardreplicate/openai/o1
| ||||||||||||||||||||
| VercelVercel reseller quote | $15.00 | $60.00 | 1 | |||||||||||||||||
Standardopenai/o1
| ||||||||||||||||||||
| OpenRouter (batch) | $7.50 | $30.00 | 1 | |||||||||||||||||
| ||||||||||||||||||||
Price history
listed seller prices, input and output per 1M tokens Input Output
Cost calculator
estimate your monthly spend on this model$7,800
estimated / month
Model IDs
copy the exact identifier for your platformopenai/o1:batchazure/o1replicate/openai/o1openai/o1o1openai/o1
Frequently asked questions
o1 pricing, context and availabilityIs o1 still available?
Yes. o1 is scheduled for retirement on 2026-11-19.
How much does o1 cost?
o1 costs $15.00 per 1M input tokens from OpenAI, and $60.00 per 1M output tokens from OpenAI.
What is the context window of o1?
o1 accepts up to 200K tokens of context and can return up to 100K output tokens.
Which providers serve o1?
o1 is available from 5 serving providers, each with its own pricing and model ID. OpenAI is currently the cheapest.
What can o1 do?
o1 supports image input (vision), tool use, reasoning, prompt caching and structured output.
Other OpenAI models
compare pricing across the OpenAI lineupPopular comparisons
head-to-head pages featuring o1 Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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