Context
200K
Max output
100K
Serving providers
3
Cheapest input
$2.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: Artificial AnalysisSpeed & latency
Output speed
146 t/s
tokens / second
Time to first token
5.11s
latency
Headline indices
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |
|---|---|---|---|---|
| CritPt | 1% | default | — | |
| GPQA Diamond | 83% | default | — | |
| Humanity's Last Exam | 20% | default | — | |
| IFBench | 71% | default | — | |
| LiveCodeBench | 81% | default | — | |
| Long-Context Reasoning | 69% | default | — | |
| MMLU-Pro | 85% | default | — | |
| MMMU-Pro | 70% | default | — | |
| Omniscience | -15.3 | default | — | |
| SciCode | 41% | default | — | |
| TerminalBench Hard | 37% | default | — | |
| τ²-bench | 81% | default | — |
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AzureCheapest | $2.00 | $8.00 | 1 | ||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| OpenAICheapest | $2.00 | $8.00 | 1 | ||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Vercel AI GatewayCheapest | $2.00 | $8.00 | 1 | ||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
Price history
input + output $/1M since we started tracking Input Output
Input down 80% since first tracked
Cost calculator
estimate your monthly spend on this model$1,040
estimated / month
Model IDs
copy the exact identifier for your platformazure/o3o3vercel_ai_gateway/openai/o3
Frequently asked questions
o3 pricing, context and availabilityHow much does o3 cost?
o3 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens at its cheapest provider via Azure.
What is the context window of o3?
o3 accepts up to 200K tokens of context and can return up to 100K output tokens.
Which providers serve o3?
o3 is available from 3 serving providers, each with its own pricing and model ID. Azure is currently the cheapest.
What can o3 do?
o3 supports image input (vision), tool use, reasoning, prompt caching, structured output and web search.
Other OpenAI models
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