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GPT-6 Astra vs Pixtral Large

GPT-6 Astra leads the LLM Stats Score 60.7 to 11.8. Pixtral Large is 6.7x cheaper per token.

OpenAI · Mistral AI · Updated for 2026

Which is better?

GPT-6 Astra leads the overall LLM Stats Score 60.7 to 11.8, ranking #1 overall.

On price, Pixtral Large is roughly 6.7x 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 60.7 and ranks #1 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Pixtral Large

  • cost matters — it's about 6.7x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
60.7
#1
11.8
#245
58.7
#1
13.1
#228
Cost, coverage & limits
Benchmark wins
Input price
$10.00 / M
$2.00 / M
Output price
$50.00 / M
$6.00 / M
Context window
1,050,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
GPT-6 Astra
Pixtral Large
41.5#1
11.4#108
38.6#3
13.9#95
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for GPT-6 Astra · 7 for Pixtral Large

No common benchmarks found

GPT-6 Astra and Pixtral Largedon'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

Pricing Analysis

Price comparison per million tokens

Pixtral Large costs less

For input processing, GPT-6 Astra ($10.00/1M tokens) is 5.0x more expensive than Pixtral Large ($2.00/1M tokens).

For output processing, GPT-6 Astra ($50.00/1M tokens) is 8.3x more expensive than Pixtral Large ($6.00/1M tokens).

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

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

Lowest available price from all providers
Fri Sep 04 2026 • llm-stats.com
OpenAI
GPT-6 Astra
Input tokens$10.00
Output tokens$50.00
Best providerOpenAI
Mistral AI
Pixtral Large
Input tokens$2.00
Output tokens$6.00
Best providerMistral
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

GPT-6 Astra accepts 1,050,000 input tokens compared to Pixtral Large's 128,000 tokens. Both models can generate responses up to 128,000 tokens.

OpenAI
GPT-6 Astra
Input1,050,000 tokens
Output128,000 tokens
Mistral AI
Pixtral Large
Input128,000 tokens
Output128,000 tokens
Fri Sep 04 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both GPT-6 Astra and Pixtral Large support multimodal inputs.

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

GPT-6 Astra

Text
Images
Audio
Video

Pixtral Large

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-6 Astra is licensed under a proprietary license, while Pixtral Large uses Mistral Research License (MRL) for research; Mistral Commercial License for commercial use.

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

GPT-6 Astra

Proprietary

Closed source

Pixtral Large

Mistral Research License (MRL) for research; Mistral Commercial License for commercial use

Open weights

Release Timeline

When each model was launched

GPT-6 Astra was released on 2026-09-03, while Pixtral Large was released on 2024-11-18.

GPT-6 Astra is 22 months newer than Pixtral Large.

GPT-6 Astra

Sep 3, 2026

0 days ago

1.8yr newer
Pixtral Large

Nov 18, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

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

GPT-6 Astra

Apr 2026

Pixtral Large

Provider Availability

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

GPT-6 Astra

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

Pixtral Large

mistral logo
Mistral
Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

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

GPT-6 Astra
✓ Preferred
Pixtral Large
Open in Playground

FAQ

Common questions about GPT-6 Astra vs Pixtral Large.

Which is better, GPT-6 Astra or Pixtral Large?

GPT-6 Astra leads the LLM Stats Score 60.7 to 11.8. GPT-6 Astra is made by OpenAI and Pixtral Large 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 Pixtral Large 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%. Pixtral Large scores AI2D: 93.8%, DocVQA: 93.3%, ChartQA: 88.1%, VQAv2: 80.9%, MM-MT-Bench: 74.0%.

Is GPT-6 Astra cheaper than Pixtral Large?

Pixtral Large is 5.0x cheaper for input tokens. GPT-6 Astra costs $10.00/M input and $50.00/M output via openai. Pixtral Large costs $2.00/M input and $6.00/M output via mistral.

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

GPT-6 Astra supports 1.1M tokens and Pixtral Large supports 128K 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 Pixtral Large?

Key differences include LLM Stats Score (60.7 vs 11.8), context window (1.1M vs 128K), input pricing ($10.00 vs $2.00/M), licensing (Proprietary vs Mistral Research License (MRL) for research; Mistral Commercial License for commercial use). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Astra and Pixtral Large?

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