GPT-6 Luna vs Pixtral-12B
GPT-6 Luna leads the LLM Stats Score 44.5 to -1.6. Pixtral-12B is 1.3x cheaper per token.
OpenAI · Mistral AI · Updated for 2026
Which is better?
GPT-6 Luna leads the overall LLM Stats Score 44.5 to -1.6, ranking #41 overall.
On price, Pixtral-12B is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-6 Luna 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 Luna
- overall performance matters — it scores 44.5 and ranks #41 on LLM Stats
- your work emphasizes reasoning and coding — 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-12B
- cost matters — it's about 1.3x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
5 reported for GPT-6 Luna · 12 for Pixtral-12B
GPT-6 Luna and Pixtral-12Bdon'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
For input processing, GPT-6 Luna ($0.10/1M tokens) is 1.5x cheaper than Pixtral-12B ($0.15/1M tokens).
For output processing, GPT-6 Luna ($0.50/1M tokens) is 3.3x more expensive than Pixtral-12B ($0.15/1M tokens).
In conclusion, GPT-6 Luna is more expensive than Pixtral-12B.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-6 Luna accepts 1,050,000 input tokens compared to Pixtral-12B's 128,000 tokens. GPT-6 Luna can generate longer responses up to 128,000 tokens, while Pixtral-12B is limited to 8,192 tokens.
Input capabilities
Documented input modalities across available providers
Both GPT-6 Luna and Pixtral-12B support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-6 Luna
Pixtral-12B
License
Usage and distribution terms
GPT-6 Luna is licensed under a proprietary license, while Pixtral-12B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT-6 Luna was released on 2026-09-22, while Pixtral-12B was released on 2024-09-17.
GPT-6 Luna is 25 months newer than Pixtral-12B.
Sep 22, 2026
0 days ago
2.0yr newerSep 17, 2024
2.0 years ago
Knowledge Cutoff
When training data ends
GPT-6 Luna has a documented knowledge cutoff of 2026-05-18, while Pixtral-12B's cutoff date is not specified.
We can confirm GPT-6 Luna's training data extends to 2026-05-18, but cannot make a direct comparison without Pixtral-12B's cutoff date.
May 2026
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Provider Availability
GPT-6 Luna is available from OpenAI. Pixtral-12B is available from Mistral AI.
GPT-6 Luna
Pixtral-12B
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6 Luna and Pixtral-12B side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6 Luna vs Pixtral-12B.