mistralai / text-generation API-only released 2026-04-30

Mistral Medium 3.5

Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...

Input / 1M
$1.50
Output / 1M
$7.50
Context
262.1K
AA Intelligence
14.2
Closed weights — available only as a hosted API text + image + file → text View on OpenRouter ↗

Pricing

via OpenRouter · USD per 1M tokens · synced 2026-10-24
$1.50
input / 1M
$7.50
output / 1M
—
cached input / 1M
$9.00
1M in + 1M out
:batch variant $0.75 in · $3.75 out
Context window
262,144 tokens
Max output
209,715 tokens
Providers
1
Cheapest provider
Mistral · $1.50 / $7.50
Best throughput
—
AA Intelligence / Coding / Agentic
14.2 / 46.9 / 7
✓ Tool calling ✓ Reasoning ✓ Structured outputs ✓ Image input ✓ File input ✗ Audio input ✗ Prompt caching

Price history

tracking started — chart appears after 7 days of snapshots (6 recorded)
Current: $1.50 input · $7.50 output per 1M tokens

Benchmarks

Third-party indices as published through OpenRouter — Artificial Analysis and Design Arena. Not measured by us.

AA Intelligence Index
14.2
AA Coding Index
46.9
AA Agentic Index
7

Providers

1 provider · per 1M tokens · last 30 min metrics
ProviderQuantContextInputOutputUptimeTok/s
Mistral unknown 262.1K $1.50 $7.50 100% —
Mistral unknown 262.1K $1.50 $7.50 100% —
Mistral unknown 262.1K $1.65 $8.25 — —
Provider data from OpenRouter's endpoint listing, refreshed daily.

Specifications

Organisation
mistralai
Released on OpenRouter
2026-04-30
Context window
262,144 tokens
Max output
209,715 tokens
Input
text, image, file
Output
text
Tokenizer
Mistral
Moderated by provider
No
OpenRouter id
mistralai/mistral-medium-3-5
Compare with
Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.