Codestral — Mistral AI | Modeldex

Codestral

Active

Mistral's code-specialized model with long context.

Updated 4 days agoStructured data from Modeldex catalog

Not enough benchmark coverage yet for an Intelligence Index — needs at least 3 results across 2 categories.

Overview

Codestral is Mistral's model trained for code generation, completion, and fill-in-the-middle tasks.

History

Codestral was released on 2024-05-29.

Training & availability

Mistral AI has not released the underlying model weights — access is via their hosted API only.

Capabilities

Context window: 32K tokens.
Max output: 8K tokens.
Input modalities: text.

Limitations

The context window (32K tokens) is modest by 2026 standards — unsuitable for processing long documents in a single request.
Text-only — cannot process images, audio, or video inputs.

Pricing

Input: $1.0000 per 1M tokens
Output: $3.0000 per 1M tokens

Use the cost calculator above to estimate monthly spend for your workload.

Quick start

Minimal example using the OpenRouter API. Copy, paste, replace the key.

from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="sk-or-...",
)
resp = client.chat.completions.create(
    model="mistral/codestral",
    messages=[{"role": "user", "content": "Explain quantum computing in one sentence."}],
)
print(resp.choices[0].message.content)

Cost calculator

Estimate your monthly bill. Presets are typical workload sizes.

Input tokens / month5.0M

@ $1/1M

Output tokens / month2.0M

@ $3/1M

Input cost

5.0M × $1/1M

Output cost

2.0M × $3/1M

Total / month

$11

$132 / year

Benchmarks

Benchmark	Score	Source
Aider PolyglotCoding	11.1% pass@2	Third-party Papers With Code
HumanEvalCoding	85.4pass@1 %	Self-reported Mistral Codestral announcement

Integrations & tooling support

Tool calling: Not supported
Structured outputs: Not supported

Price vs quality

Poor value

Below-average benchmark performance for the price.

Quality percentile: 2.4%
Effective price: $2.5/1M
Pricing breakdown: $1/1M in
$3/1M out

Community ratings

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