OpenAI is an American artificial intelligence company based in San Francisco, established in December 2015. It develops the GPT family of language models, the o-series reasoning models, DALL-E and Sora for images and video, and Whisper for speech, and runs the ChatGPT assistant.
- Founded
- 2015
- Type
- Private company
- Founders
- Elon Musk, Sam Altman, Ilya Sutskever, Greg Brockman and Trevor Blackwell
- AI lab
- Inference provider
- 121 hosted endpoints
| Model | Endpoint | Context | Input /M | Output /M | Cached input /M | Cache write /M | Uptime 1d |
|---|---|---|---|---|---|---|---|
 GPT Audio | openai | 128K | $2.50 | $10.00 | — | — | 100.00% |
| GPT Audio Mini | openai | 128K | $0.60 | $2.40 | — | — | 100.00% |
| GPT Image 1 | openai | 400K | $10.00 | $10.00 | $1.25 | — | — |
| GPT Image 1 Mini | openai | 400K | $2.50 | $2.50 | $0.25 | — | 100.00% |
| GPT Image 2 | openai | 400K | $8.00 | $8.00 | $2.00 | — | 100.00% |
| GPT Image 2.5 Flare | openai | 400K | $8.00 | $8.00 | $2.00 | — | 97.92% |
| GPT Image 2.5 Sunburst | openai | 400K | $8.00 | $8.00 | $2.00 | — | 97.29% |
| GPT Image 2.6 Flare | openai | 400K | $8.00 | $8.00 | $2.00 | $10.00 | 97.09% |
| GPT Image 2.6 Sunburst | openai | 400K | $8.00 | $8.00 | $2.00 | $10.00 | 97.36% |
| GPT Transcribe | openai | — | $75.00 | $0.00 | — | — | 100.00% |
| GPT-4.1 | openai | 1M | $2.00 | $8.00 | $0.50 | — | 100.00% |
| GPT-4.1 Mini | openai | 1M | $0.40 | $1.60 | $0.10 | — | 100.00% |
| GPT-4o | openai | 128K | $2.50 | $10.00 | $1.25 | — | 100.00% |
| GPT-4o (2024-08-06) | openai | 128K | $2.50 | $10.00 | $1.25 | — | 100.00% |
| GPT-4o (2024-11-20) | openai | 128K | $2.50 | $10.00 | $1.25 | — | 100.00% |
| GPT-4o Mini Transcribe | openai | 128K | $1.25 | $5.00 | — | — | 100.00% |
| GPT-4o Transcribe | openai | 128K | $2.50 | $10.00 | — | — | 100.00% |
| GPT-4o-mini | openai | 128K | $0.15 | $0.60 | $0.075 | — | 100.00% |
| GPT-4o-mini (2024-07-18) | openai | 128K | $0.15 | $0.60 | $0.075 | — | 100.00% |
| GPT-5 | openai/default | 400K | $1.25 | $10.00 | $0.125 | — | 100.00% |
| GPT-5 Image | openai | 400K | $10.00 | $10.00 | $1.25 | — | 18.18% |
| GPT-5 Image Mini | openai | 400K | $2.50 | $2.00 | $0.25 | — | 100.00% |
| GPT-5 Mini | openai | 400K | $0.25 | $2.00 | $0.025 | — | 100.00% |
| GPT-5 Mini | openai/flex | 400K | $0.125 | $1.00 | $0.0125 | — | 100.00% |
| GPT-5 Nano | openai | 400K | $0.05 | $0.40 | $0.005 | — | 100.00% |
| GPT-5 Nano | openai/flex | 400K | $0.025 | $0.20 | $0.0025 | — | 100.00% |
| GPT-5 Pro | openai | 400K | $15.00 | $120.00 | — | — | — |
| GPT-5.1 | openai | 400K | $1.25 | $10.00 | $0.125 | — | 100.00% |
| GPT-5.1 | openai/fast | 400K | $2.50 | $20.00 | $0.25 | — | — |
| GPT-5.1 | openai/flex | 400K | $0.625 | $5.00 | $0.0625 | — | 100.00% |
| GPT-5.2 | openai | 400K | $1.75 | $14.00 | $0.175 | — | 100.00% |
| GPT-5.2 | openai/fast | 400K | $3.50 | $28.00 | $0.35 | — | 100.00% |
| GPT-5.2 | openai/flex | 400K | $0.875 | $7.00 | $0.0875 | — | 100.00% |
| GPT-5.2 Pro | openai | 400K | $21.00 | $168.00 | — | — | 100.00% |
| GPT-5.3-Codex | openai | 400K | $1.75 | $14.00 | $0.175 | — | 100.00% |
| GPT-5.3-Codex | openai/fast | 400K | $3.50 | $28.00 | $0.35 | — | — |
| GPT-5.4 | openai | 1.1M | $2.50 | $15.00 | $0.25 | — | 100.00% |
| GPT-5.4 | openai/fast | 1.1M | $5.00 | $30.00 | $0.50 | — | 100.00% |
| GPT-5.4 | openai/flex | 1.1M | $1.25 | $7.50 | $0.125 | — | 100.00% |
| GPT-5.4 Image 2 | openai | 272K | $8.00 | $15.00 | $2.00 | — | 0.00% |
| GPT-5.4 Mini | openai | 400K | $0.75 | $4.50 | $0.075 | — | 100.00% |
| GPT-5.4 Mini | openai/fast | 400K | $1.50 | $9.00 | $0.15 | — | 100.00% |
| GPT-5.4 Mini | openai/flex | 400K | $0.375 | $2.25 | $0.0375 | — | 100.00% |
| GPT-5.4 Nano | openai | 400K | $0.20 | $1.25 | $0.02 | — | 100.00% |
| GPT-5.4 Nano | openai/flex | 400K | $0.10 | $0.625 | $0.01 | — | 100.00% |
| GPT-5.4 Pro | openai | 1.1M | $30.00 | $180.00 | — | — | — |
| GPT-5.4 Pro | openai/flex | 1.1M | $15.00 | $90.00 | — | — | — |
| GPT-5.5 | openai | 1.1M | $5.00 | $30.00 | $0.50 | — | 100.00% |
| GPT-5.5 | openai/fast | 1.1M | $12.50 | $75.00 | $1.25 | — | 100.00% |
| GPT-5.5 | openai/flex | 1.1M | $2.50 | $15.00 | $0.25 | — | 100.00% |
| GPT-5.5 Pro | openai | 1.1M | $30.00 | $180.00 | — | — | 100.00% |
| GPT-5.5 Pro | openai/flex | 1.1M | $15.00 | $90.00 | — | — | — |
| GPT-5.6 Luna | openai | 1.1M | $0.20 | $1.20 | $0.02 | $0.25 | 100.00% |
| GPT-5.6 Luna | openai/fast | 1.1M | $0.40 | $2.40 | $0.04 | $0.50 | 100.00% |
| GPT-5.6 Luna | openai/flex | 1.1M | $0.10 | $0.60 | $0.01 | $0.125 | 100.00% |
| GPT-5.6 Sol | openai | 1.1M | $4.00 | $20.00 | $0.40 | $5.00 | 100.00% |
| GPT-5.6 Sol | openai/fast | 1.1M | $8.00 | $40.00 | $0.80 | $10.00 | 100.00% |
| GPT-5.6 Sol | openai/flex | 1.1M | $2.00 | $10.00 | $0.20 | $2.50 | 100.00% |
| GPT-5.6 Terra | openai | 1.1M | $2.00 | $12.00 | $0.20 | $2.50 | 100.00% |
| GPT-5.6 Terra | openai/fast | 1.1M | $4.00 | $24.00 | $0.40 | $5.00 | 100.00% |
| GPT-5.6 Terra | openai/flex | 1.1M | $1.00 | $6.00 | $0.10 | $1.25 | 100.00% |
| GPT-6 Astra | openai | 1.1M | $10.00 | $50.00 | $1.00 | $12.50 | 99.38% |
| GPT-6 Astra | openai/fast | 1.1M | $20.00 | $100.00 | $2.00 | $25.00 | 100.00% |
| GPT-6 Astra | openai/flex | 1.1M | $5.00 | $25.00 | $0.50 | $6.25 | 100.00% |
| GPT-6 Astra | openai/ultrafast | 1.1M | $60.00 | $300.00 | $6.00 | $75.00 | — |
| GPT-6 Luna | openai | 1.1M | $0.10 | $0.50 | $0.01 | $0.125 | 100.00% |
| GPT-6 Luna | openai/fast | 1.1M | $0.20 | $1.00 | $0.02 | $0.25 | 100.00% |
| GPT-6 Luna | openai/flex | 1.1M | $0.05 | $0.25 | $0.005 | $0.0625 | 100.00% |
| GPT-6 Luna Decisions | openai | 1.1M | $0.10 | $0.00 | $0.00 | $0.00 | 100.00% |
| GPT-6 Sol | openai | 1.1M | $2.00 | $10.00 | $0.20 | $2.50 | 100.00% |
| GPT-6 Sol | openai/fast | 1.1M | $4.00 | $20.00 | $0.40 | $5.00 | 100.00% |
| GPT-6 Sol | openai/flex | 1.1M | $1.00 | $5.00 | $0.10 | $1.25 | 100.00% |
| GPT-6.1 Sol | openai | 1.1M | $2.00 | $10.00 | $0.10 | $2.50 | 100.00% |
| GPT-6.1 Sol | openai/fast | 1.1M | $4.00 | $20.00 | $0.20 | $5.00 | 100.00% |
| GPT-6.1 Sol | openai/flex | 1.1M | $1.00 | $5.00 | $0.05 | $1.25 | 100.00% |
| GPT-6.1 Sol | openai/ultrafast | 1.1M | $12.00 | $60.00 | $0.60 | $15.00 | 100.00% |
| GPT-6.1 Terra | openai | 1.1M | $1.00 | $5.00 | $0.05 | $1.25 | 100.00% |
| GPT-6.1 Terra | openai/fast | 1.1M | $2.00 | $10.00 | $0.10 | $2.50 | 100.00% |
| GPT-6.1 Terra | openai/flex | 1.1M | $0.50 | $2.50 | $0.025 | $0.625 | 100.00% |
| Text Embedding 3 Large | openai | 8K | $0.13 | $0.00 | — | — | 100.00% |
| Text Embedding 3 Small | openai | 8K | $0.02 | $0.00 | — | — | 100.00% |
| Text Embedding Ada 002 | openai | 8K | $0.10 | $0.00 | — | — | 100.00% |
| Whisper 1 | openai | — | $100.00 | $0.00 | — | — | 100.00% |
| o3 | openai | 200K | $2.00 | $8.00 | $0.50 | — | 100.00% |
| o3 Pro | openai | 200K | $20.00 | $80.00 | — | — | 100.00% |