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GPT-6 Astra vs Mistral Large 4

GPT-6 Astra leads the LLM Stats Score 58.3 to 46.2. Mistral Large 4 is 19.4x cheaper per token.

OpenAI · Mistral AI · Updated for 2026

Which is better?

GPT-6 Astra leads the overall LLM Stats Score 58.3 to 46.2, ranking #3 overall.

In the 3 individual benchmarks reported for both models, GPT-6 Astra wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Mistral Large 4 is roughly 19.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Astra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose GPT-6 Astra

  • overall performance matters — it scores 58.3 and ranks #3 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 3 exact shared results
  • you process long inputs — it offers a 1,050,000 token context window

Choose Mistral Large 4

  • cost matters — it's about 19.4x cheaper per token
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
58.3
#3
46.2
#34
56.7
#3
44.0
#43
47.8
#3
35.8
#27
44.9
#2
34.3
#26
Cost, coverage & limits
Benchmark wins
2 of 3
1 of 3
Input price
$10.00 / M
$0.68 / M
Output price
$50.00 / M
$2.09 / M
Context window
1,050,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

4 shared
Index
GPT-6 Astra
Mistral Large 4
40.4#4
1.1#187
35.2#1
27.1#26
37.6#4
1.7#160
32.9#1
14.0#16
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for GPT-6 Astra · 18 for Mistral Large 4

3 shared

GPT-6 Astra outperforms in 2 benchmarks (DeepSWE 1.1, Terminal-Bench 4.0), while Mistral Large 4 is better at 1 benchmark (AutomationBench).

GPT-6 Astra shows notably better performance in the majority of benchmarks.

Thu Oct 08 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Mistral Large 4 costs less

For input processing, GPT-6 Astra ($10.00/1M tokens) is 14.7x more expensive than Mistral Large 4 ($0.68/1M tokens).

For output processing, GPT-6 Astra ($50.00/1M tokens) is 23.9x more expensive than Mistral Large 4 ($2.09/1M tokens).

In conclusion, GPT-6 Astra is more expensive than Mistral Large 4.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Oct 08 2026 • llm-stats.com
OpenAI
GPT-6 Astra
Input tokens$10.00
Output tokens$50.00
Best providerOpenAI
Mistral AI
Mistral Large 4
Input tokens$0.68
Output tokens$2.09
Best providerMistral
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

GPT-6 Astra accepts 1,050,000 input tokens compared to Mistral Large 4's 1,000,000 tokens. Only GPT-6 Astra specifies output context (128,000 tokens).

OpenAI
GPT-6 Astra
Input1,050,000 tokens
Output128,000 tokens
Mistral AI
Mistral Large 4
Input1,000,000 tokens
Output- tokens
Thu Oct 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-6 Astra and Mistral Large 4 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

GPT-6 Astra

Text
Images
Audio
Video

Mistral Large 4

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-6 Astra

Proprietary

Closed source

Mistral Large 4

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-6 Astra was released on 2026-09-04, while Mistral Large 4 was released on 2026-10-06.

Mistral Large 4 is 1 month newer than GPT-6 Astra.

GPT-6 Astra

Sep 4, 2026

1 months ago

Mistral Large 4

Oct 6, 2026

2 days ago

1mo newer

Knowledge Cutoff

When training data ends

GPT-6 Astra has a documented knowledge cutoff of 2026-04-30, while Mistral Large 4'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 Mistral Large 4's cutoff date.

GPT-6 Astra

Apr 2026

Mistral Large 4

—

Provider Availability

GPT-6 Astra is available from OpenAI. Mistral Large 4 is available from Mistral AI.

GPT-6 Astra

openai logo
OpenAI
Input Price:Input: $10.00/1MOutput Price:Output: $50.00/1M

Mistral Large 4

mistral logo
Mistral
Input Price:Input: $0.68/1MOutput Price:Output: $2.09/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against GPT-6 Astra and Mistral Large 4 side-by-side, then vote on the output you prefer.

GPT-6 Astra
✓ Preferred
Mistral Large 4
Open in Playground

FAQ

Common questions about GPT-6 Astra vs Mistral Large 4.

Which is better, GPT-6 Astra or Mistral Large 4?

GPT-6 Astra leads the LLM Stats Score 58.3 to 46.2. GPT-6 Astra is made by OpenAI and Mistral Large 4 is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT-6 Astra compare to Mistral Large 4 in benchmarks?

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%. Mistral Large 4 scores B3 AI Security Benchmark: 93.3%, CyBench: 93.0%, SciCode: 91.8%, KORABench: 84.5%, CyberGym: 82.0%.

Is GPT-6 Astra cheaper than Mistral Large 4?

Mistral Large 4 is 14.7x cheaper for input tokens. GPT-6 Astra costs $10.00/M input and $50.00/M output via openai. Mistral Large 4 costs $0.68/M input and $2.09/M output via mistral.

What are the context window sizes for GPT-6 Astra and Mistral Large 4?

GPT-6 Astra supports 1.1M tokens and Mistral Large 4 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-6 Astra and Mistral Large 4?

Key differences include LLM Stats Score (58.3 vs 46.2), context window (1.1M vs 1.0M), input pricing ($10.00 vs $0.68/M). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Astra and Mistral Large 4?

GPT-6 Astra is developed by OpenAI and Mistral Large 4 is developed by Mistral AI.