Model Comparison

GPT-5.6 Terra vs Pixtral LargeWhich is better in 2026?

Comparing GPT-5.6 Terra and Pixtral Large across benchmarks, pricing, and capabilities.

Verdict: GPT-5.6 Terra vs Pixtral Large — which is better?

GPT-5.6 Terra (by OpenAI) and Pixtral Large (by Mistral AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Pixtral Large is roughly 1.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-5.6 Terra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose GPT-5.6 Terra if…

  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Jul 2026

Choose Pixtral Large if…

  • cost matters — it's about 1.9x cheaper per token
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

GPT-5.6 Terra and Pixtral Largedon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Pixtral Large costs less

For input processing, GPT-5.6 Terra ($2.50/1M tokens) is 1.3x more expensive than Pixtral Large ($2.00/1M tokens).

For output processing, GPT-5.6 Terra ($15.00/1M tokens) is 2.5x more expensive than Pixtral Large ($6.00/1M tokens).

In conclusion, GPT-5.6 Terra is more expensive than Pixtral Large.*

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

Lowest available price from all providers
Sat Jul 18 2026 • llm-stats.com
OpenAI
GPT-5.6 Terra
Input tokens$2.50
Output tokens$15.00
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-5.6 Terra 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-5.6 Terra
Input1,050,000 tokens
Output128,000 tokens
Mistral AI
Pixtral Large
Input128,000 tokens
Output128,000 tokens
Sat Jul 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.6 Terra and Pixtral Large support multimodal inputs.

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

GPT-5.6 Terra

Text
Images
Audio
Video

Pixtral Large

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5.6 Terra 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-5.6 Terra

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-5.6 Terra was released on 2026-07-09, while Pixtral Large was released on 2024-11-18.

GPT-5.6 Terra is 20 months newer than Pixtral Large.

GPT-5.6 Terra

Jul 9, 2026

1 weeks ago

1.6yr newer
Pixtral Large

Nov 18, 2024

1.7 years ago

Knowledge Cutoff

When training data ends

GPT-5.6 Terra has a documented knowledge cutoff of 2026-02-16, while Pixtral Large's cutoff date is not specified.

We can confirm GPT-5.6 Terra's training data extends to 2026-02-16, but cannot make a direct comparison without Pixtral Large's cutoff date.

GPT-5.6 Terra

Feb 2026

Pixtral Large

Provider Availability

GPT-5.6 Terra is available from OpenAI. Pixtral Large is available from Mistral AI.

GPT-5.6 Terra

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

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

Key Takeaways

Larger context window (1,050,000 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against GPT-5.6 Terra and Pixtral Large side-by-side, then vote on the output you prefer.

GPT-5.6 Terra
✓ Preferred
Pixtral Large
Open in Playground
AI Model Comparison Table
Feature
OpenAI
GPT-5.6 Terra
Mistral AI
Pixtral Large

FAQ

Common questions about GPT-5.6 Terra vs Pixtral Large.

Which is better, GPT-5.6 Terra or Pixtral Large?

GPT-5.6 Terra (OpenAI) and Pixtral Large (Mistral AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GPT-5.6 Terra compare to Pixtral Large in benchmarks?

GPT-5.6 Terra scores Connectors: 100.0%, HealthBench Consensus: 95.1%, Search and Function-Calling: 94.6%, GPQA: 92.9%, Capture-the-Flag Challenges (Internal): 91.8%. Pixtral Large scores AI2D: 93.8%, DocVQA: 93.3%, ChartQA: 88.1%, VQAv2: 80.9%, MM-MT-Bench: 74.0%.

Is GPT-5.6 Terra cheaper than Pixtral Large?

Pixtral Large is 1.3x cheaper for input tokens. GPT-5.6 Terra costs $2.50/M input and $15.00/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-5.6 Terra and Pixtral Large?

GPT-5.6 Terra 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-5.6 Terra and Pixtral Large?

Key differences include context window (1.1M vs 128K), input pricing ($2.50 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-5.6 Terra and Pixtral Large?

GPT-5.6 Terra is developed by OpenAI and Pixtral Large is developed by Mistral AI.