GPT-5.4 API pricing
As of 5 August 2026, GPT-5.4 costs $2.50 per 1M input tokens and $15.00 per 1M output tokens, and scores 76.9% on coding benchmarks (best of Aider polyglot and SWE-bench Verified).
Prices updated 5 August 2026
GPT-5.4 price
USD per 1M tokens.
| Provider | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| OpenAI | $2.50 | $15.00 | 1.1M |
Coding: 76.9%Reasoning: 93.3%Math: 97.8%
Coding via Aider polyglot & SWE-bench Verified; reasoning & math via Epoch AI.
Cheaper alternatives to GPT-5.4
Models with an equal-or-better coding score at a lower output price. StackSpend surfaces swaps like these against your actual usage.
- How much does the GPT-5.4 API cost?
- As of 5 August 2026, GPT-5.4 costs $2.50 per 1M input tokens and $15.00 per 1M output tokens, and scores 76.9% on coding benchmarks (best of Aider polyglot and SWE-bench Verified).
- Is there a cheaper model as good as GPT-5.4 for coding?
- Yes — google/gemini-2.5-pro (DeepInfra) scores 83.1% on coding at $10.00 per 1M output tokens, below GPT-5.4's $15.00.
Know what you're really spending on GPT-5.4.
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