GPT-5.4 Pro
OpenAI released 2026-03-05
No independent quality score.
No benchmark we track has measured this model. That is not the same as measuring it and finding it wanting — we simply cannot rank it, so we do not.
Every price dimension
| Input | $30.00/M |
|---|---|
| Output | $180/M |
| Web search | $0.01/call |
Past 272,000 tokens the price changes. Input goes to $60.00/M (2×) and output to $270/M. The headline rate does not apply to a long-context workload.
Independent scores
No independent benchmark has measured this model.
Capability
| Context window | 1.1M |
|---|---|
| Max output | 128K |
| Input modes | text, image, file |
| Tool use | yes |
| Reasoning | always on |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | unrated |
GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...