▸ compare
Anthropic: Claude Opus 4.5 vs OpenAI: GPT-5.2
Side-by-side benchmark comparison based on independent public data. Scores, pricing, context, and task breakdown.
▸ verdict
Anthropic: Claude Opus 4.5
86.3
higher score
vs
OpenAI: GPT-5.2
81.3
Anthropic: Claude Opus 4.5 leads with a higher composite benchmark score. It's the stronger choice for general-purpose tasks based on public benchmark data.
▸ score breakdown
| Task | Anthropic: Claude Opus 4.5 | OpenAI: GPT-5.2 | Δ |
|---|---|---|---|
| Overall | 86.3 | 81.3 | +5.0 |
| Coding | 69.1 | 69.9 | -0.8 |
| Reasoning | 71.8 | 67.8 | +4.0 |
| Math | — | — | — |
| Writing | 84.8 | 79.9 | +4.9 |
| JSON | 46.1 | 54.2 | -8.1 |
▸ specs & pricing
| Attribute | Anthropic: Claude Opus 4.5 | OpenAI: GPT-5.2 |
|---|---|---|
| Provider | Anthropic | Openai |
| Context window | 200K | 400K |
| Input $/M tokens | $5.00/M | $1.75/M |
| Output $/M tokens | $25.00/M | $14.00/M |
| Weights | proprietary | proprietary |
▸ frequently asked
Is Anthropic: Claude Opus 4.5 better than OpenAI: GPT-5.2?
Anthropic: Claude Opus 4.5 scores higher overall (86.3 vs 81.3) in the benchmark composite. The best choice depends on the specific use case and budget.
Which is cheaper: Anthropic: Claude Opus 4.5 or OpenAI: GPT-5.2?
OpenAI: GPT-5.2 is cheaper at $1.75/M input tokens vs $5/M for Anthropic: Claude Opus 4.5.
Which model is better for coding?
Both models perform similarly on coding benchmarks (SWE-Bench, Aider Polyglot, LiveCodeBench).