Mistral AI Open Weights (Mistral Non-Production / Commercial)Status: active

Codestral 2501

Mistral AI's dedicated code generation model with 256k context window and fill-in-the-middle (FIM) capabilities.

Released: Jan 14, 2025
Last Verified: Aug 10, 2026
Context Window

256k

Tokens

Max Output

8.192k

Output limit

Architecture

Dense Code Transformer

Model family

Parameters

22B

Total / Active

Input Token Cost

$0.30

Per 1M tokens

Output Token Cost

$0.90

Per 1M tokens

Model Overview

Codestral 2501 is engineered specifically for code generation, fill-in-the-middle completion, and repo-level refactoring. Features an expansive 256,000 token context window and sub-second generation latency.

Developer Implementation Notes

Native support for Fill-In-the-Middle (FIM) syntax, making it the premier open engine for IDE inline code completions.

Key Strengths

  • 256k context window for large codebase indexing
  • Native Fill-In-the-Middle (FIM) support for fast inline autocompletion
  • Runs locally on a single 16GB/24GB GPU or Apple Silicon Mac
  • Affordable API pricing ($0.30 / $0.90 per MTok)

Limitations & Boundaries

  • Code specialized; lacks general creative and conversational fluency
  • Non-commercial weight license for self-hosting without agreement

Capabilities & Modalities

Modalities:text
Reasoning Chains:No
Tool / Function Calling:Supported
Structured Outputs:Supported
Fine-Tuning:No
Local Deployment:Yes
Min VRAM:14 GB

Best Production Use Cases

  • IDE inline autocompletion and snippet generation
  • Repository-wide code translation and migration
  • Automated unit test writing

Verified Benchmark Results

Standardized evaluations with methodology notes and authoritative citation links.

View all industry benchmarks →
Official benchmark results are currently being verified for this model release.

Pricing & Inference Cost Calculator

Token Cost Estimator – Codestral 2501

Calculate projected inference spend with prompt caching

Quick Workload Presets

Input Tokens / Req2,000
100100k200k
Output Tokens / Req500
5016k32k
Number of Requests1,000
125k50k
Cache Hit Rate0%
0% (No cache)50%90% (Max)
Total Input Spend

$0.6000

2.00M input tokens

Total Output Spend

$0.4500

0.50M output tokens

Estimated Total Cost

$1.05

Avg: $0.00105 / req

Rates: $0.30 in / $0.90 out per million tokens (Mistral La Plateforme)Last verified: Aug 10, 2026

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Data Accuracy & Verification Notice

AI model specifications, pricing records, and benchmark metrics published on this platform are compiled directly from authoritative sources (official provider documentation, research papers, and verified evaluation harnesses). Benchmark results reflect specific test harnesses and prompting methodologies; scores are not directly comparable across differing evaluation setups.