GPT-5 vs Claude Opus 4.7 for math: which is better in 2026?
A head-to-head look at GPT-5 and Claude Opus 4.7 for math. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.
Quick verdict
For math in May 2026, GPT-5 edges out Claude Opus 4.7 on the intelligenceIndex metric. Top scores on AIME-style competition math.
Side-by-side specs
| Spec | GPT-5 | Claude |
|---|---|---|
| Intelligence index | 78.4 | 76.9 |
| Coding index | 76.1 | 82.3 |
| Context window | 400K tokens | 1M tokens |
| Speed (tok/s) | 142 | 88 |
| Input $/M | $5.00 | $15.00 |
| Output $/M | $20.00 | $75.00 |
| Released | Aug 7, 2025 | Apr 23, 2026 |
How they handle math
GPT-5: Top scores on AIME-style competition math.
Claude Opus 4.7: Best-in-class agentic coding. The main caveat is premium pricing on output tokens.
Cost per 1,000 queries
Assuming 1,500 input and 800 output tokens per query:
- GPT-5: $23.50 per 1,000 queries
- Claude Opus 4.7: $82.50 per 1,000 queries
Verdict by sub-task
- Best raw quality on math:
- Best price: GPT-5
- Longest context: Claude Opus 4.7
- Fastest: GPT-5
FAQ
Is GPT-5 better than Claude Opus 4.7 for math?
On May 2026 benchmarks (artificialanalysis.ai), GPT-5 ranks higher than Claude Opus 4.7 for math on the intelligenceIndex metric. The gap is small enough that the choice often comes down to price, context length, and tone.
Which is cheaper, GPT-5 or Claude Opus 4.7?
GPT-5 costs $5.00 input and $20.00 output per million tokens. Claude Opus 4.7 costs $15.00 input and $75.00 output per million tokens.
Can I use both GPT-5 and Claude in one app?
Yes. Admix is a multi model AI chat aggregator that lets you run GPT-5 and Claude Opus 4.7 side by side under one subscription.
Sources
Benchmarks from artificialanalysis.ai (May 2026).
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