Claude Haiku 4.5 vs Mistral Medium 3.5

API pricing, benchmark indices and specs — updated 19 October 2026.

anthropic · A · API-only
Input / 1M
$1.00
Output / 1M
$5.00
AA index
16.9
proprietary · 200K context
mistralai · B · API-only
Input / 1M
$1.50
Output / 1M
$7.50
AA index
14.2
proprietary · 262.1K context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Claude Haiku 4.5 Mistral Medium 3.5
Deployment API-only (closed weights) API-only (closed weights)
Parameters n/a — API-only n/a — API-only
Architecture n/a — API-only n/a — API-only
Context length 200,000 262,144
Licence Proprietary Proprietary
Commercial use Per API terms Per API terms
Languages n/a — API-only n/a — API-only
Downloads 30d n/a — API-only n/a — API-only
Downloads all time n/a — API-only n/a — API-only
Quantizations on the Hub n/a — API-only n/a — API-only
Gated n/a — API-only n/a — API-only
First seen on the Hub n/a — API-only n/a — API-only
API input price / 1M tokens $1.00 $1.50
API output price / 1M tokens $5.00 $7.50
Est. cost per 1M input + 1M output tokens $6.00 $9.00
Cached input / 1M tokens $0.10 —
AA Intelligence Index 16.9 14.2
AA Coding Index 43.9 46.9
AA Agentic Index 8 7
Max output tokens 64,000 209,715
API providers 4 1
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

Claude Haiku 4.5 $6.00
Mistral Medium 3.5 $9.00

Claude Haiku 4.5 is 1.5× cheaper at list price.

Adjacent comparisons