First-party APIs
OpenAI-compatible
US
OpenAI API.
OpenAI's first-party API for GPT, o-series, embedding, and image models.
Cheapest 12 models
Where the floor is.
Sorted cheapest-first by $/M input. Useful when you're looking for the floor before picking a model.
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At a glance
- Service type
- First-party APIs
- Trust tier
- Tier 1
- Headquarters
- US
- OpenAI-compat
- Yes
- Open weights
- No
- Proprietary
- Yes
When to pick OpenAI API
Best for
- Full feature coverage — prompt caching, batch tier, function calling, fine-tuning.
- The lowest per-token rate for the maker's own models.
- Production workloads where a direct billing relationship matters.
Avoid for
- Multi-model workflows that need a unified billing surface.
- Anywhere the maker's own SLA isn't sufficient.
Models on OpenAI API
Pricing + measured speed + self-host alternative, one row per model. Click a column header to sort.
| Model ↕ | Maker ↕ | Access ↕ | $/M in ↕ | $/M out ↕ | Tokens/sec ↕ | TTFT ↕ | Self-host on ↕ | |
|---|---|---|---|---|---|---|---|---|
| OpenAI: GPT-4 | OpenAI | api direct | $30.0 | $60.0 | — | — | API only | Open → |
| OpenAI: GPT-3.5 Turbo Instruct | OpenAI | api direct | $1.5 | $2.0 | — | — | API only | Open → |
| OpenAI: GPT-3.5 Turbo 16k | OpenAI | api direct | $3.0 | $4.0 | — | — | API only | Open → |
| OpenAI: GPT-4 (older v0314) | OpenAI | api direct | $30.0 | $60.0 | — | — | API only | Open → |
| OpenAI: GPT-3.5 Turbo | OpenAI | api direct | $0.5 | $1.5 | — | — | API only | Open → |
| OpenAI: o4 Mini | OpenAI | api direct | $1.1 | $4.4 | — | — | API only | Open → |
| gpt-oss-120b-Turbo | OpenAI | api direct | — | — | — | — | 1× Nvidia A100 · INT4 | Open → |
| Whisper Medium | OpenAI | api direct | — | — | — | — | 1× Nvidia Titan V · FP16 | Open → |
| Whisper Small | OpenAI | api direct | — | — | — | — | 1× Nvidia Titan V · FP16 | Open → |
| Whisper Base | OpenAI | api direct | — | — | — | — | 1× Nvidia Titan V · FP16 | Open → |
| Whisper Tiny | OpenAI | api direct | — | — | — | — | 1× Nvidia Titan V · FP16 | Open → |
| OpenAI: GPT-5.2 | OpenAI | api direct | $1.75 | $14.0 | — | — | API only | Open → |
| OpenAI: GPT-5.1-Codex-Max | OpenAI | api direct | $1.25 | $10.0 | — | — | API only | Open → |
| OpenAI: GPT-5.1 | OpenAI | api direct | $1.25 | $10.0 | — | — | API only | Open → |
| OpenAI: GPT-5.1 Chat | OpenAI | api direct | $1.25 | $10.0 | — | — | API only | Open → |
| OpenAI: GPT-5.1-Codex | OpenAI | api direct | $1.25 | $10.0 | — | — | API only | Open → |
| OpenAI: GPT-5.1-Codex-Mini | OpenAI | api direct | $0.25 | $2.0 | — | — | API only | Open → |
| OpenAI: gpt-oss-safeguard-20b | OpenAI | api direct | $0.075 | $0.3 | — | — | API only | Open → |
| OpenAI: GPT-5 Image Mini | OpenAI | api direct | $2.5 | $2.0 | — | — | API only | Open → |
| OpenAI: GPT-5 Image | OpenAI | api direct | $10.0 | $10.0 | — | — | API only | Open → |
| OpenAI: o3 Deep Research | OpenAI | api direct | $10.0 | $40.0 | — | — | API only | Open → |
| OpenAI: o4 Mini Deep Research | OpenAI | api direct | $2.0 | $8.0 | — | — | API only | Open → |
| OpenAI: GPT-5 Pro | OpenAI | api direct | $15.0 | $120.0 | — | — | API only | Open → |
| OpenAI: GPT-5 Codex | OpenAI | api direct | $1.25 | $10.0 | — | — | API only | Open → |
| OpenAI: GPT-5 Chat | OpenAI | api direct | $1.25 | $10.0 | — | — | API only | Open → |
| OpenAI: GPT-5 Mini | OpenAI | api direct | $0.25 | $2.0 | — | — | API only | Open → |
| OpenAI: GPT-5 Nano | OpenAI | api direct | $0.05 | $0.4 | — | — | API only | Open → |
| OpenAI: o3 Pro | OpenAI | api direct | $20.0 | $80.0 | — | — | API only | Open → |
| OpenAI: o4 Mini High | OpenAI | api direct | $1.1 | $4.4 | — | — | API only | Open → |
| OpenAI: o3 | OpenAI | api direct | $2.0 | $8.0 | — | — | API only | Open → |
| GPT-OSS 120B | OpenAI | api direct | $0.039 | $0.18 | — | — | 1× Nvidia H100 · INT4 | Open → |
| GPT-OSS 20B | OpenAI | api direct | $0.03 | $0.14 | — | — | 1× Nvidia GeForce RTX 4080 · INT4 | Open → |
| OpenAI: GPT Chat Latest | OpenAI | api direct | $5.0 | $30.0 | — | — | API only | Open → |
| OpenAI: GPT-5.5 Pro | OpenAI | api direct | $30.0 | $180.0 | — | — | API only | Open → |
| OpenAI: GPT-5.5 | OpenAI | api direct | $5.0 | $30.0 | — | — | API only | Open → |
| OpenAI: GPT-5.4 Image 2 | OpenAI | api direct | $8.0 | $15.0 | — | — | API only | Open → |
| OpenAI: GPT-5.4 Nano | OpenAI | api direct | $0.2 | $1.25 | — | — | API only | Open → |
| OpenAI: GPT-5.4 Mini | OpenAI | api direct | $0.75 | $4.5 | — | — | API only | Open → |
| OpenAI: GPT-5.4 Pro | OpenAI | api direct | $30.0 | $180.0 | — | — | API only | Open → |
| OpenAI: GPT-5.4 | OpenAI | api direct | $2.5 | $15.0 | — | — | API only | Open → |
| OpenAI: GPT-5.3 Chat | OpenAI | api direct | $1.75 | $14.0 | — | — | API only | Open → |
| OpenAI: GPT-5.3-Codex | OpenAI | api direct | $1.75 | $14.0 | — | — | API only | Open → |
| OpenAI: GPT-5.2-Codex | OpenAI | api direct | $1.75 | $14.0 | — | — | API only | Open → |
| OpenAI: GPT-5.2 Chat | OpenAI | api direct | $1.75 | $14.0 | — | — | API only | Open → |
| OpenAI: GPT-5.2 Pro | OpenAI | api direct | $21.0 | $168.0 | — | — | API only | Open → |
| OpenAI: GPT-4.1 | OpenAI | api direct | $2.0 | $8.0 | — | — | API only | Open → |
| OpenAI: GPT-4.1 Mini | OpenAI | api direct | $0.4 | $1.6 | — | — | API only | Open → |
| OpenAI: GPT-4.1 Nano | OpenAI | api direct | $0.1 | $0.4 | — | — | API only | Open → |
| OpenAI: o1-pro | OpenAI | api direct | $150.0 | $600.0 | — | — | API only | Open → |
| OpenAI: GPT-4o-mini Search Preview | OpenAI | api direct | $0.15 | $0.6 | — | — | API only | Open → |
| OpenAI: GPT-4o Search Preview | OpenAI | api direct | $2.5 | $10.0 | — | — | API only | Open → |
| OpenAI: o3 Mini High | OpenAI | api direct | $1.1 | $4.4 | — | — | API only | Open → |
| OpenAI: o3 Mini | OpenAI | api direct | $1.1 | $4.4 | — | — | API only | Open → |
| OpenAI: o1 | OpenAI | api direct | $15.0 | $60.0 | — | — | API only | Open → |
| OpenAI: GPT-4o (2024-11-20) | OpenAI | api direct | $2.5 | $10.0 | — | — | API only | Open → |
| OpenAI: GPT-4o (2024-08-06) | OpenAI | api direct | $2.5 | $10.0 | — | — | API only | Open → |
| OpenAI: GPT-4o-mini (2024-07-18) | OpenAI | api direct | $0.15 | $0.6 | — | — | API only | Open → |
| OpenAI: GPT-4o (2024-05-13) | OpenAI | api direct | $5.0 | $15.0 | — | — | API only | Open → |
| OpenAI: GPT-3.5 Turbo (older v0613) | OpenAI | api direct | $1.0 | $2.0 | — | — | API only | Open → |
| OpenAI: GPT-4 Turbo Preview | OpenAI | api direct | $10.0 | $30.0 | — | — | API only | Open → |
| OpenAI: GPT-4 Turbo (older v1106) | OpenAI | api direct | $10.0 | $30.0 | — | — | API only | Open → |
| GPT-4 Turbo | OpenAI | api direct | $10.0 | $30.0 | — | — | API only | Open → |
| GPT-4o Mini | OpenAI | api direct | $0.15 | $0.6 | — | — | API only | Open → |
| GPT-4o | OpenAI | api direct | $5.0 | $20.0 | — | — | API only | Open → |
| GPT-5 | OpenAI | api direct | $10.0 | $40.0 | — | — | API only | Open → |
| Whisper Large v3 | OpenAI | api direct | — | — | — | — | 1× Nvidia Titan V · FP8 | Open → |