▸ compare
OpenAI: GPT-5.5 vs OpenAI: GPT-5.4
Side-by-side benchmark comparison based on independent public data. Scores, pricing, context, and task breakdown.
▸ verdict
OpenAI: GPT-5.5
91.1
vs
OpenAI: GPT-5.4
90.2
These two models are effectively tied on overall score within the two-point margin. Choose based on pricing, context window, or task-specific performance below.
▸ score breakdown
| Task | OpenAI: GPT-5.5 | OpenAI: GPT-5.4 | Δ |
|---|---|---|---|
| Overall | 91.1 | 90.2 | +0.9 |
| Coding | — | — | — |
| Reasoning | 78.4 | 74.4 | +4.0 |
| Math | — | — | — |
| Writing | 88.7 | 88.9 | -0.2 |
| JSON | — | — | — |
▸ specs & pricing
| Attribute | OpenAI: GPT-5.5 | OpenAI: GPT-5.4 |
|---|---|---|
| Provider | Openai | Openai |
| Context window | 1M | 1M |
| Input $/M tokens | $5.00/M | $2.50/M |
| Output $/M tokens | $30.00/M | $15.00/M |
| Weights | proprietary | proprietary |
▸ frequently asked
Is OpenAI: GPT-5.5 better than OpenAI: GPT-5.4?
OpenAI: GPT-5.5 and OpenAI: GPT-5.4 are closely matched in overall score. Choose based on pricing, context window, or the task-specific scores in the table above.
Which is cheaper: OpenAI: GPT-5.5 or OpenAI: GPT-5.4?
OpenAI: GPT-5.4 is cheaper at $2.5/M input tokens vs $5/M for OpenAI: GPT-5.5.
Which model is better for coding?
Both models perform similarly on coding benchmarks (SWE-Bench, Aider Polyglot, LiveCodeBench).