# Codestral vs Claude Haiku 4.5 (2026): Benchmarks, Price & Verdict | Alher Tech

> Codestral vs Claude Haiku 4.5: 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/codestral-vs-claude-haiku-4-5/
- Site: Alher Tech (custom software, AI agents and SEO engineering, https://alhertech.com/)
- Contact: https://alhertech.com/en/contact/

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|  | Codestral | Claude Haiku 4.5 |
| --- | --- | --- |
| arenaElo | 1254 | 1274 |
| humanEval | 89.7 | 78.2 |
| sweBench | 35 | 40.6 |
| mmlu | 73.2 | 81.5 |
| gpqa | 41 | 48 |
| aime | 30 | 60 |
| Price in/out ($/M) | $0.3 / $0.9 | $1 / $5 |

## Our verdict

Codestral is purpose-built for coding and edges Haiku 4.5 on HumanEval (89.7 vs 78.2) at similar cost. Haiku 4.5 is the better all-rounder when you also need chat, summarization or agent steps. For pure IDE autocomplete, pick Codestral; for a versatile assistant, Haiku.

[Codestral](https://alhertech.com/en/ai-comparison/codestral/) · [Claude Haiku 4.5](https://alhertech.com/en/ai-comparison/claude-haiku-4-5/) · [All AI model comparisons](https://alhertech.com/en/ai-comparison/)