The AI arena is free today

Open Superagent

Grok-1.5 vs Mistral Large 2

Mistral Large 2 leads the LLM Stats Score 7.5 to -2.6.

xAI · Mistral AI · Updated for 2026

Which is better?

Mistral Large 2 leads the overall LLM Stats Score 7.5 to -2.6, ranking #286 overall.

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

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

Choose Grok-1.5

  • you are already invested in the xAI ecosystem

Choose Mistral Large 2

  • overall performance matters — it scores 7.5 and ranks #286 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results
  • you want the most recent training data — it shipped Jul 2024
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
-2.6
#338
7.5
#286
-2.1
#328
7.4
#279
-0.9
#244
13.0
#136
Cost, coverage & limits
Benchmark wins
0 of 3
3 of 3
Input price
— / M
$2.00 / M
Output price
— / M
$6.00 / M
Context window
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Grok-1.5
Mistral Large 2
4.9#275
11.3#243
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

9 reported for Grok-1.5 · 5 for Mistral Large 2

3 shared

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.

Wed Sep 09 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

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
Wed Sep 09 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

2.5 years ago

Mistral Large 2

Jul 24, 2024

2.1 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

Judge for yourself.

Run your own prompts against Grok-1.5 and Mistral Large 2 side-by-side, then vote on the output you prefer.

Grok-1.5
✓ Preferred
Mistral Large 2
Open in Playground

FAQ

Common questions about Grok-1.5 vs Mistral Large 2.

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

Mistral Large 2 leads the LLM Stats Score 7.5 to -2.6. 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 capability indexes, individual benchmarks, pricing, and limits 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 LLM Stats Score (-2.6 vs 7.5), 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.