Full o3 reasoning for all API developers.
Pricing
Launch price (from Apr 16, 2025)
$10.00 in / $40.00 out per 1M tokens
Current price (since Jun 17, 2025)
$2.00 in / $8.00 out per 1M tokens
Cache read: $0.500/M
| Tier | Effective | In $/M | Out $/M | Cache $/M | Per image | Per second | Source |
|---|---|---|---|---|---|---|---|
| Standard | Apr 16, 2025 – Jun 17, 2025 | $10.00 | $40.00 | $2.50 | - | - | - |
| Standard | Jun 17, 2025 – now | $2.00 | $8.00 | $0.500 | - | - | - |
| Batch | Apr 16, 2025 – now | $1.00 | $4.00 | - | - | - | - |
Specifications
| Model type | Text LLM |
|---|---|
| Architecture | Dense |
| Parameters | Not disclosed |
| Context window | 200K tokens |
| Max output | 100K tokens |
| Knowledge cutoff | Jun 1, 2024 |
| License | Proprietary |
| Modalities | Text input Image input Text output |
| Tags | Flagship Reasoning Tool use |
| End of life | Not disclosed |
| Last verified | Aug 20, 2026 |
Benchmarks
| Benchmark | Score | Src |
|---|---|---|
| LMSYS Chatbot Arena Elo | 1,413 | - |
| GPQA Diamond | 83.3% | official |