This model was retired on 2026-10-21. The pricing below is the last-known rate, kept for migration reference.
Context
200K
Max output
100K
Serving providers
4
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
113 t/s
tokens / second
Time to first token
9.56s
latency
Headline indices
Intelligence Index
31.1
of 100
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 | 73% | default | — | |
| MMLU-Pro | 85% | default | — | |
| MMMU-Pro | 70% | default | — | |
| Omniscience | -15.6 | default | — | |
| Omniscience Accuracy | 0.4 | default | — | |
| Omniscience Non Hallucination | 0.1 | default | — | |
| SciCode | 41% | default | — | |
| TerminalBench Hard | 37% | default | — | |
| τ²-bench | 81% | default | — |
Pricing by serving provider
last-known · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Azure | $2.00 | $8.00 | 1 | ||||||||||||||||||||||||||
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| OpenAI | $2.00 | $8.00 | 1 | ||||||||||||||||||||||||||
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| Vercel AI Gateway | $2.00 | $8.00 | 1 | ||||||||||||||||||||||||||
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| OpenRouter | $2.00 | $8.00 | 1 | ||||||||||||||||||||||||||
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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/o3openai/o3
Frequently asked questions
o3 pricing, context and availabilityIs o3 still available?
o3 was retired on 2026-10-21. The pricing on this page is the last-known rate, kept for migration reference.
How much did o3 cost?
o3's last-known pricing, before it was retired on 2026-10-21, was $2.00 per 1M input tokens and $8.00 per 1M output tokens.
What was the context window of o3?
o3 had a 200K token context window and could return up to 100K output tokens.
What could o3 do?
o3 supported image input (vision), tool use, reasoning, prompt caching, structured output and web search.
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