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Mistral Medium 3.5

Mistral AI · released 28 Apr 2026 · open weights

Mistral's frontier-class model for agentic and coding work; open weights under a Modified MIT licence.

Context window

256K

256,000 tokens

Input price

$1.50

per 1M tokens

Output price

$7.50

per 1M tokens

Blended

$3

3:1 in:out mix

Weights

Open

self-hostable

Released

28 Apr 2026

Mistral AI

Long-context / tier pricingBatch processing halves both halves; cached input saves up to 90%. Listed prices are the base rate for prompts up to ~200K tokens.

Open-weights API prices are representative third-party-hosted rates; self-hosting costs only your own hardware.

Where it ranks

Of 25 models tracked.

Cost to run

#10(tied)

of 25

Input price

#10(tied)

of 25

Context window

#22(tied)

of 25

See the full Frontier Index →

Compare with

The nearest models by blended cost to run.

Put it to work

Specs from BitByteCore's hand-verified Frontier Ledger (v2026-09-03), this row verified 3 Sep 2026 against Mistral AI's official pricing ↗. Model pricing moves fast, so confirm with Mistral AI before you rely on a figure.