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Grok 4.3 vs Mistral Large 4

Mistral Large 4 leads the LLM Stats Score 45.8 to 22.0. Mistral Large 4 is 1.5x cheaper per token.

xAI · Mistral AI · Updated for 2026

Which is better?

Mistral Large 4 leads the overall LLM Stats Score 45.8 to 22.0, ranking #39 overall.

In the 1 individual benchmarks reported for both models, Mistral Large 4 wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, Mistral Large 4 is roughly 1.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

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

Choose Grok 4.3

  • you want predictable pricing at $1.25/M input and $2.50/M output

Choose Mistral Large 4

  • overall performance matters — it scores 45.8 and ranks #39 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • cost matters — it's about 1.5x cheaper per token
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Grok 4.3
xAI
Mistral Large 4
Mistral AI
Core performance indexes
LLM Stats Score
22.0
#202
45.8
#39
Reasoning
22.5
#193
43.9
#48
Agents
10.1
#141
33.8
#34
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$1.25 / M
$0.68 / M
Output price
$2.50 / M
$2.09 / M
Context window
1,000,000
1,000,000

Individual benchmarks

1 reported for Grok 4.3 · 18 for Mistral Large 4

1 shared

Grok 4.3 outperforms in 0 benchmarks, while Mistral Large 4 is better at 1 benchmark (Finance Agent v2).

Mistral Large 4 significantly outperforms across most benchmarks.

Fri Oct 23 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Mistral Large 4 costs less

For input processing, Grok 4.3 ($1.25/1M tokens) is 1.8x more expensive than Mistral Large 4 ($0.68/1M tokens).

For output processing, Grok 4.3 ($2.50/1M tokens) is 1.2x more expensive than Mistral Large 4 ($2.09/1M tokens).

In conclusion, Grok 4.3 is more expensive than Mistral Large 4.*

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

Lowest available price from all providers
Fri Oct 23 2026 • llm-stats.com
xAI
Grok 4.3
Input tokens$1.25
Output tokens$2.50
Best providerxAI
Mistral AI
Mistral Large 4
Input tokens$0.68
Output tokens$2.09
Best providerMistral
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,000,000 tokens.

xAI
Grok 4.3
Input1,000,000 tokens
Output- tokens
Mistral AI
Mistral Large 4
Input1,000,000 tokens
Output- tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Mistral Large 4 supports multimodal inputs, whereas Grok 4.3 does not.

Mistral Large 4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok 4.3

Text
Images
Audio
Video

Mistral Large 4

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Grok 4.3

Proprietary

Closed source

Mistral Large 4

Proprietary

Closed source

Release Timeline

When each model was launched

Grok 4.3 was released on 2026-05-06, while Mistral Large 4 was released on 2026-10-06.

Mistral Large 4 is 5 months newer than Grok 4.3.

Grok 4.3

May 6, 2026

5 months ago

Mistral Large 4

Oct 6, 2026

2 weeks ago

5mo 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

Provider Availability

Grok 4.3 is available from xAI. Mistral Large 4 is available from Mistral AI.

Grok 4.3

xai logo
xAI
Input Price:Input: $1.25/1MOutput Price:Output: $2.50/1M

Mistral Large 4

mistral logo
Mistral
Input Price:Input: $0.68/1MOutput Price:Output: $2.09/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Grok 4.3 and Mistral Large 4 side-by-side, then vote on the output you prefer.

Grok 4.3
✓ Preferred
Mistral Large 4
Open in Playground

FAQ

Common questions about Grok 4.3 vs Mistral Large 4.

Which is better, Grok 4.3 or Mistral Large 4?

Mistral Large 4 leads the LLM Stats Score 45.8 to 22.0. Grok 4.3 is made by xAI and Mistral Large 4 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 4.3 compare to Mistral Large 4 in benchmarks?

Grok 4.3 scores Finance Agent v2: 37.7%. Mistral Large 4 scores B3 AI Security Benchmark: 93.3%, CyBench: 93.0%, SciCode: 91.8%, KORABench: 84.5%, CyberGym: 82.0%.

Is Grok 4.3 cheaper than Mistral Large 4?

Mistral Large 4 is 1.8x cheaper for input tokens. Grok 4.3 costs $1.25/M input and $2.50/M output via xai. Mistral Large 4 costs $0.68/M input and $2.09/M output via mistral.

What are the context window sizes for Grok 4.3 and Mistral Large 4?

Grok 4.3 supports 1.0M tokens and Mistral Large 4 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok 4.3 and Mistral Large 4?

Key differences include LLM Stats Score (22.0 vs 45.8), input pricing ($1.25 vs $0.68/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok 4.3 and Mistral Large 4?

Grok 4.3 is developed by xAI and Mistral Large 4 is developed by Mistral AI.

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