GPT-5vsGPT-4.5
Across 3 shared benchmarks, GPT-5 leads overall: GPT-5 wins 3, GPT-4.5 wins 0, with 0 ties and an average score difference of +24.30.
GPT-53 wins(100%)(0%)0 winsGPT-4.5
Benchmark scores
Grouped by capability, sorted by largest gap within each. 3 shared benchmarks.
Coding and Software Engineer
GPT-5 1/1| Benchmark | GPT-5 | GPT-4.5 | Diff |
|---|---|---|---|
| SWE-bench Verified | 72.8046 / 108 | 38100 / 108 | +34.80 |
General Knowledge
GPT-5 1/1| Benchmark | GPT-5 | GPT-4.5 | Diff |
|---|---|---|---|
| GPQA Diamond | 87.3037 / 178 | 71.40105 / 178 | +15.90 |
Math and Reasoning
GPT-5 1/1| Benchmark | GPT-5 | GPT-4.5 | Diff |
|---|---|---|---|
| Simple Bench | 56.708 / 27 | 34.5020 / 27 | +22.20 |
Specs
| Field | GPT-5 | GPT-4.5 |
|---|---|---|
| Publisher | OpenAI | OpenAI |
| Release date | 2025-08-07 | 2025-02-28 |
| Model type | Foundation model | Chat model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 400K | 128K |
| Max output | 128K | Not available |
Summary
- GPT-5leads in:Coding and Software Engineer (1/1), General Knowledge (1/1), Math and Reasoning (1/1)
On average across the 3 shared benchmarks, GPT-5 scores 24.30 higher.
Largest single-benchmark gap: SWE-bench Verified — GPT-5 72.80 vs GPT-4.5 38 (+34.80).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.