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GPT 5.4
by OpenAI · Language Models
Context 1050K tokensVisionReasoning / thinkingFunction calling
by OpenAI · Language Models
A more affordable model for coding and professional work. GPT-5.4 is a previous flagship for complex professional tasks, with a 1.05M context window, text and image input, and configurable reasoning effort.
$3.2375 in · $19.425 out / 1M
| Usage | Rate (USD) | Unit |
|---|---|---|
| Input tokens | $3.24 | per 1M tokens |
| Cached input (cache hit) | $0.32 | per 1M tokens |
| Output tokens | $19.43 | per 1M tokens |
TuneRouter live platform pricing · currency: USD · pre-deduction settled by actual usage
OpenAI-compatible · base URL https://api.tunerouter.com/v1/
curl https://api.tunerouter.com/v1/chat/completions \
-H "Authorization: Bearer $TUNEROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "gpt-5.4", "messages": [{"role": "user", "content": "Hello!"}]}'Model ID: gpt-5.4 · works with OpenAI SDKs — just point base_url at api.tunerouter.com