Short answer: GPT-6 Sol is 3.2x cheaper (0.22¢ vs 0.71¢ a chat). GPT-6 Sol ranks higher overall (#7 vs #9). Claude Sonnet 5 wins at writing, following instructions. GPT-6 Sol wins at reasoning, coding, maths, agentic tasks. GPT-6 Sol is the better all-rounder for the money, but Claude Sonnet 5 is worth it if you mostly need writing, following instructions.


| Claude Sonnet 5 | GPT-6 Sol | |
|---|---|---|
| Cost per chat (NZD) | 0.71¢ | 0.22¢ |
| Chats per NZ$1 | 141 | 454 |
| Overall rank | #9 | #7 |
| Vendor | Anthropic | OpenAI |
| Speciality | General | Code |
| Reasoning | 74 | 84 |
| Code | 70 | 81 |
| Math | 63 | 78 |
| Writing | 72 | 66 |
| Instruction | 75 | 66 |
| Agentic | 69 | 73 |
Scores are 0 to 100 percentiles blending LMArena, Epoch AI, Artificial Analysis and CrapGPT's own tests. Updated 2026-10-11.
GPT-6 Sol costs 0.22¢ per typical chat versus 0.71¢ for Claude Sonnet 5 on CrapGPT (NZD, measured token use).
GPT-6 Sol ranks higher overall on CrapGPT's blended benchmark score. By category: Claude Sonnet 5 leads at writing, following instructions; GPT-6 Sol leads at reasoning, coding, maths, agentic tasks.
Yes. CrapGPT's card battle sends one prompt to two models and lets you pick the winner, paying only for the two replies.
Battle them yourself Claude Sonnet 5 details · GPT-6 Sol details