Models
The TokAPI model catalog — real model IDs for OpenAI- and Claude-compatible requests.
Use these model IDs in the model field of your requests. To fetch the live
catalog at any time, call GET https://api.tokapi.ai/v1/models (no auth required).
Claude models
Claude models support roughly 1M tokens of context and up to 128k tokens of output.
| Model ID | Notes |
|---|---|
claude-opus-4-8 | Flagship — Opus 4.8, ~1M context. |
claude-opus-4-7 | Previous Opus generation. |
claude-sonnet-4-6 | Balanced — Sonnet 4.6. |
claude-sonnet-4-5 | Previous Sonnet generation. |
claude-haiku-4-5 | Fastest — Haiku 4.5. |
claude-haiku-3-5 | Lightweight legacy Haiku. |
GPT models
| Model ID | Notes |
|---|---|
gpt-5.5 | Latest flagship GPT. |
gpt-5.4 | Prior GPT generation. |
gpt-5.2 | Earlier GPT generation. |
Fetch the live catalog
curl https://api.tokapi.ai/v1/modelsRetrieve a single model with:
curl https://api.tokapi.ai/v1/models/claude-opus-4-8See Set up Claude Code and Set up Codex for how to wire these IDs into your tools.