impossibl/openai/gpt-5-codex · family gpt-codex · price provider-declared (via models.dev), USD per 1M tokens. Capabilities: toolsreasoningtextimage.
impossibl)“GPT-5-Codex” is offered by 8 providers — cheapest-effective first. Poe is the cheapest at $3.08 blended.
| Provider | Input | Output | Blended | Context |
|---|---|---|---|---|
| Poe | $1.1 | $9 | $3.08 | 400k |
| Jiekou.AI | $1.125 | $9 | $3.09 | 400k |
| Impossibl (this) | $1.25 | $10 | $3.44 | 400k |
| Abacus | $1.25 | $10 | $3.44 | 400k |
| Azure Cognitive Services | $1.25 | $10 | $3.44 | 400k |
| Azure | $1.25 | $10 | $3.44 | 400k |
| OrcaRouter | $1.25 | $10 | $3.44 | 400k |
| Vercel AI Gateway | $1.25 | $10 | $3.44 | 400k |
jishie indexes & prices models; it does not proxy inference. Most providers are OpenAI-compatible — point base_url at Impossibl and pass this model id:
curl $BASE_URL/v1/chat/completions \
-H "Authorization: Bearer $API_KEY" -H "Content-Type: application/json" \
-d '{"model":"openai/gpt-5-codex","messages":[{"role":"user","content":"hello"}]}'
Route programmatically with MCP find_model / get_model, or fetch this record free (no wallet):