Model Comparison

Grok-1.5 vs Mistral Large 2Which is better in 2026?

Mistral Large 2 significantly outperforms across most benchmarks.

Verdict: Grok-1.5 vs Mistral Large 2 — which is better?

Grok-1.5 (by xAI) and Mistral Large 2 (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.

Grok-1.5 outperforms in 0 benchmarks, while Mistral Large 2 is better at 3 benchmarks (GSM8k, HumanEval, MMLU). Mistral Large 2 significantly outperforms across most benchmarks.

Choose Grok-1.5 if…

  • you are already invested in the xAI ecosystem

Choose Mistral Large 2 if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
  • you want the most recent training data — it shipped Jul 2024
  • you need open weights you can self-host or fine-tune
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Grok-1.5 outperforms in 0 benchmarks, while Mistral Large 2 is better at 3 benchmarks (GSM8k, HumanEval, MMLU).

Mistral Large 2 significantly outperforms across most benchmarks.

Thu Jun 11 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Mistral Large 2 specifies input context (128,000 tokens). Only Mistral Large 2 specifies output context (128,000 tokens).

xAI
Grok-1.5
Input- tokens
Output- tokens
Mistral AI
Mistral Large 2
Input128,000 tokens
Output128,000 tokens
Thu Jun 11 2026 • llm-stats.com

License

Usage and distribution terms

Grok-1.5 is licensed under a proprietary license, while Mistral Large 2 uses Mistral Research License.

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

Grok-1.5

Proprietary

Closed source

Mistral Large 2

Mistral Research License

Open weights

Release Timeline

When each model was launched

Grok-1.5 was released on 2024-03-28, while Mistral Large 2 was released on 2024-07-24.

Mistral Large 2 is 4 months newer than Grok-1.5.

Grok-1.5

Mar 28, 2024

2.2 years ago

Mistral Large 2

Jul 24, 2024

1.9 years ago

3mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

xAI

No standout differentiators in the data we have for this pair.

Mistral AI
Larger context window (128,000 tokens)
Has open weights
Higher GSM8k score (93.0% vs 90.0%)
Higher HumanEval score (92.0% vs 74.1%)
Higher MMLU score (84.0% vs 81.3%)

Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-1.5
Mistral AI
Mistral Large 2

FAQ

Common questions about Grok-1.5 vs Mistral Large 2.

Which is better, Grok-1.5 or Mistral Large 2?

Mistral Large 2 significantly outperforms across most benchmarks. Grok-1.5 is made by xAI and Mistral Large 2 is made by Mistral AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Grok-1.5 compare to Mistral Large 2 in benchmarks?

Grok-1.5 scores GSM8k: 90.0%, DocVQA: 85.6%, MMLU: 81.3%, HumanEval: 74.1%, MMMU: 53.6%. Mistral Large 2 scores GSM8k: 93.0%, HumanEval: 92.0%, MT-Bench: 86.3%, MMLU: 84.0%, MMLU French: 82.8%.

What are the context window sizes for Grok-1.5 and Mistral Large 2?

Grok-1.5 supports an unknown number of tokens and Mistral Large 2 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 Grok-1.5 and Mistral Large 2?

Key differences include licensing (Proprietary vs Mistral Research License). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-1.5 and Mistral Large 2?

Grok-1.5 is developed by xAI and Mistral Large 2 is developed by Mistral AI.

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