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Codestral-22B vs GPT-6 Astra

GPT-6 Astra leads the LLM Stats Score 60.7 to 0.1.

Mistral AI · OpenAI · Updated for 2026

Which is better?

GPT-6 Astra leads the overall LLM Stats Score 60.7 to 0.1, ranking #1 overall.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Codestral-22B

  • you need open weights you can self-host or fine-tune

Choose GPT-6 Astra

  • overall performance matters — it scores 60.7 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Codestral-22B
Mistral AI
GPT-6 Astra
OpenAI
Core performance indexes
LLM Stats Score
0.1
#314
60.7
#1
Reasoning
-0.0
#307
58.7
#1
Coding
2.5
#218
49.0
#1
Cost, coverage & limits
Benchmark wins
—
—
Input price
— / M
$10.00 / M
Output price
— / M
$50.00 / M
Context window
—
1,050,000

Individual benchmarks

7 reported for Codestral-22B · 22 for GPT-6 Astra

No common benchmarks found

Codestral-22B and GPT-6 Astradon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only GPT-6 Astra specifies input context (1,050,000 tokens). Only GPT-6 Astra specifies output context (128,000 tokens).

Mistral AI
Codestral-22B
Input- tokens
Output- tokens
OpenAI
GPT-6 Astra
Input1,050,000 tokens
Output128,000 tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Astra supports multimodal inputs, whereas Codestral-22B does not.

GPT-6 Astra can handle both text and other forms of data like images, making it suitable for multimodal applications.

Codestral-22B

Text
Images
Audio
Video

GPT-6 Astra

Text
Images
Audio
Video

License

Usage and distribution terms

Codestral-22B is licensed under MNPL-0.1, while GPT-6 Astra uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

Codestral-22B

MNPL-0.1

Open weights

GPT-6 Astra

Proprietary

Closed source

Release Timeline

When each model was launched

Codestral-22B was released on 2024-05-29, while GPT-6 Astra was released on 2026-09-03.

GPT-6 Astra is 28 months newer than Codestral-22B.

Codestral-22B

May 29, 2024

2.3 years ago

GPT-6 Astra

Sep 3, 2026

0 days ago

2.3yr newer

Knowledge Cutoff

When training data ends

GPT-6 Astra has a documented knowledge cutoff of 2026-04-30, while Codestral-22B's cutoff date is not specified.

We can confirm GPT-6 Astra's training data extends to 2026-04-30, but cannot make a direct comparison without Codestral-22B's cutoff date.

Codestral-22B

—

GPT-6 Astra

Apr 2026

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Codestral-22B and GPT-6 Astra side-by-side, then vote on the output you prefer.

Codestral-22B
✓ Preferred
GPT-6 Astra
Open in Playground

FAQ

Common questions about Codestral-22B vs GPT-6 Astra.

Which is better, Codestral-22B or GPT-6 Astra?

GPT-6 Astra leads the LLM Stats Score 60.7 to 0.1. Codestral-22B is made by Mistral AI and GPT-6 Astra is made by OpenAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Codestral-22B compare to GPT-6 Astra in benchmarks?

Codestral-22B scores HumanEvalFIM-Average: 91.6%, HumanEval: 81.1%, MBPP: 78.2%, Spider: 63.5%, HumanEval-Average: 61.5%. GPT-6 Astra scores ExploitBench: 100.0%, ARC-AGI-3: 99.9%, ARC-AGI: 98.5%, FrontierMath Tier 4 (v2): 97.6%, GPQA: 96.0%.

What are the context window sizes for Codestral-22B and GPT-6 Astra?

Codestral-22B supports an unknown number of tokens and GPT-6 Astra supports 1.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Codestral-22B and GPT-6 Astra?

Key differences include LLM Stats Score (0.1 vs 60.7), multimodal support (no vs yes), licensing (MNPL-0.1 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Codestral-22B and GPT-6 Astra?

Codestral-22B is developed by Mistral AI and GPT-6 Astra is developed by OpenAI.

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