# Kimi K2 vs GPT-5 (2026): Benchmarks, Price & Verdict | Alher Tech

> Kimi K2 vs GPT-5: head-to-head 2026 comparison across Arena Elo, MMLU, GPQA, HumanEval, context window and pricing. Verdict + use cases.

- Canonical page: https://alhertech.com/en/ai-comparison/kimi-k2-vs-gpt-5/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

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|  | Kimi K2 | GPT-5 |
| --- | --- | --- |
| arenaElo | 1384 | 1412 |
| humanEval | 90.1 | 91.6 |
| sweBench | 65.8 | 65 |
| mmlu | 89.1 | 91.5 |
| gpqa | 64.7 | 63.8 |
| aime | 70 | 92 |
| Price in/out ($/M) | $0.5 / $2 | $10 / $40 |

## Our verdict

GPT-5 has the richer ecosystem, native audio and tighter tool-calling. Kimi K2 wins on price and context length. For voice agents, GPT-5. For long-doc pipelines and self-host, Kimi K2.

[Kimi K2](https://alhertech.com/en/ai-comparison/kimi-k2/) · [GPT-5](https://alhertech.com/en/ai-comparison/gpt-5/) · [All AI model comparisons](https://alhertech.com/en/ai-comparison/)