OpenAI API
Get a OpenAI API key and call every OpenAI model (GPT, ChatGPT, o3, o4) through Token Harbor with a single key — pay-as-you-go, no separate OpenAI account or console. Fully OpenAI- and Anthropic-compatible, with transparent per-token pricing and smart routing. See OpenAI API pricing per model below.
Call it with one key
curl https://tokenharbor.ai/v1/chat/completions \
-H "Authorization: Bearer $TOKENHARBOR_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"openai/gpt-4o-mini","messages":[{"role":"user","content":"Hello"}]}'Get a free key at /dashboard/api-keys · point any tool at us with the Connect CLI or manual setup.
OpenAI models (6)
| Model | Context | $/1M in · out |
|---|---|---|
GPT-4o-miniopenai/gpt-4o-mini | 128k | $0.15 · $0.60 |
GPT-5 Miniopenai/gpt-5-mini | 400k | $0.25 · $2.00 |
OpenAI o4-miniopenai/o4-mini | 200k | $1.10 · $4.40 |
OpenAI o3openai/o3 | 200k | $2.00 · $8.00 |
GPT-5.4openai/gpt-5.4 | 1.1M | $2.50 · $15.00 |
GPT-5.5openai/gpt-5.5 | 1.1M | $5.00 · $30.00 |
See the full model catalog or read the API docs.