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o3
openai·openai/o3-2·GA·Closed·o series
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
At a glance
Official price$2.00 / $8.00 per 1M
Cache read $0.50 · OpenAI
Lowest paid$1.80 / $7.20
Poe Gateway · 5.6× spread
Context200,000
⚠ Providers report 131,072–200,000; the table below is authoritative
Output limit100,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured outputTemperature✓ Attachments
⚠ Providers report capability flags inconsistently
Modalities
TextImagePDF
Knowledge cutoff2024-05
Released / updated2025-04-16 / 2025-04-16
Quality & performanceArtificial Analysis · Intelligence Index v4.1
Intelligence31.1
Value10
Coding—
Agentic—
Output speed112 tok/s
TTFT8.31 s
Value formulaIQ 31.1 ÷ min blended $3.150 = 10
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 16 providers15 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Poe openai/o3 | Gateway | $1.80 | $7.20 | $0.45 | — | 200,000 | 100,000 | |
| Impossibl openai/o3 | Gateway | $2.00 | $8.00 | $0.50 | — | 200,000 | 100,000 | |
| OpenRouter openai/o3 | Gateway | $2.00 | $8.00 | $0.50 | — | 200,000 | 100,000 | |
| OpenAIOfficial o3 | First-party | $2.00 | $8.00 | $0.50 | — | 200,000 | 100,000 | |
| NEAR AI Cloud openai/o3 | Gateway | $2.00 | $8.00 | $0.50 | — | 200,000 | 100,000 | |
| Merge Gateway openai/o3 | Gateway | $2.00 | $8.00 | $0.50 | — | 200,000 | 100,000 | |
| Cloudflare AI Gateway openai/o3 | Cloud | $2.00 | $8.00 | $0.50 | — | 200,000 | 100,000 | |
| Azure Cognitive Services o3 | First-party | $2.00 | $8.00 | $0.50 | — | 200,000 | 100,000 | |
| Azure o3 | First-party | $2.00 | $8.00 | $0.50 | — | 200,000 | 100,000 | |
| Vercel AI Gateway openai/o3 | Cloud | $2.00 | $8.00 | $0.50 | — | 200,000 | 100,000 | |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Poe$558.00
2Impossibl$620.00
3OpenRouter$620.00
4OpenAI · Official$620.00
5NEAR AI Cloud$620.00
6Merge Gateway$620.00
Switch to Poe to save $62.00/mo (10%). The gap is small, so staying on the official channel is fine.
Note: this is a gateway; verify availability and rate limits yourself.
Benchmark1 items
| Name | Conditions | Score | Metric | Source |
|---|---|---|---|---|
| Aider Polyglot | — | 81.3 | percent correct | Source ↗ |
The same benchmark scores very differently across harness / dataset, so the qualifying conditions must be shown together.
Reasoning control
effort = loweffort = mediumeffort = higheffort = none
2 / 16 providers expose no reasoning control (reasoning_options: []).
Related models
S2.1 Pro (Free)same series—S2.1 Prosame series—Arrow 1.1same series—GPT OSS 120Bcheaper alternative$1.00 / $4.20Kimi K2.6cheaper alternative$0.95 / $4.00DeepSeek V4 Procheaper alternative$0.435 / $0.87DeepSeek V4 Flashcheaper alternative$0.14 / $0.28
Price historyone sample accumulated per data sync
Input listOutput listMin blended