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Scores, capabilities and costs for the models you’re considering.
| 1 model | openaiOpenAI: GPT-5.4Remove × |
|---|---|
| What’s different | GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for... |
| Date | Mar 5, 2026Listed |
API prices USD · provider configuration shown below | |
| Listed rate | $1.25 in / $7.50 out/ 1M tokensOpenAI · via OpenRouter · all routes ↗openai/flex · tier=flex · prompt ≤ 272000 tokens |
| Provider endpoints | 9 endpoints → |
Specifications | |
| Context window | 1.1M |
| Max output | 128K |
| Parameters | — |
| Tool calling | Supported |
| Structured output | Supported |
| Image input | Supported |
| Reasoning | Supported |
| Prompt caching | Supported |