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Mercury 2 vs Mistral Large 4

Mistral Large 4 leads the LLM Stats Score 46.2 to 23.5. Mercury 2 is 2.8x cheaper per token.

Inception · Mistral AI · Updated for 2026

Which is better?

Mistral Large 4 leads the overall LLM Stats Score 46.2 to 23.5, ranking #34 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, Mercury 2 is roughly 2.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Mistral Large 4 also accepts a larger context window (1,000,000 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 Mercury 2

  • cost matters — it's about 2.8x cheaper per token

Choose Mistral Large 4

  • overall performance matters — it scores 46.2 and ranks #34 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
23.5
#190
46.2
#34
22.6
#184
44.0
#43
12.2
#162
35.8
#27
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.25 / M
$0.68 / M
Output price
$0.75 / M
$2.09 / M
Context window
128,000
1,000,000

Individual benchmarks

6 reported for Mercury 2 · 18 for Mistral Large 4

1 shared

Mercury 2 outperforms in 0 benchmarks, while Mistral Large 4 is better at 1 benchmark (SciCode).

Mistral Large 4 significantly outperforms across most benchmarks.

Sun Oct 11 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Mercury 2 costs less

For input processing, Mercury 2 ($0.25/1M tokens) is 2.7x cheaper than Mistral Large 4 ($0.68/1M tokens).

For output processing, Mercury 2 ($0.75/1M tokens) is 2.8x cheaper than Mistral Large 4 ($2.09/1M tokens).

In conclusion, Mistral Large 4 is more expensive than Mercury 2.*

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

Lowest available price from all providers
Sun Oct 11 2026 • llm-stats.com
Inception
Mercury 2
Input tokens$0.25
Output tokens$0.75
Best providerInception
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

Mistral Large 4 accepts 1,000,000 input tokens compared to Mercury 2's 128,000 tokens. Only Mercury 2 specifies output context (8,192 tokens).

Inception
Mercury 2
Input128,000 tokens
Output8,192 tokens
Mistral AI
Mistral Large 4
Input1,000,000 tokens
Output- tokens
Sun Oct 11 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Mistral Large 4 supports multimodal inputs, whereas Mercury 2 does not.

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

Mercury 2

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.

Mercury 2

Proprietary

Closed source

Mistral Large 4

Proprietary

Closed source

Release Timeline

When each model was launched

Mercury 2 was released on 2026-02-24, while Mistral Large 4 was released on 2026-10-06.

Mistral Large 4 is 7 months newer than Mercury 2.

Mercury 2

Feb 24, 2026

7 months ago

Mistral Large 4

Oct 6, 2026

5 days ago

7mo 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

Mercury 2 is available from Inception. Mistral Large 4 is available from Mistral AI.

Mercury 2

inception logo
Inception
Input Price:Input: $0.25/1MOutput Price:Output: $0.75/1M

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 Mercury 2 and Mistral Large 4 side-by-side, then vote on the output you prefer.

Mercury 2
✓ Preferred
Mistral Large 4
Open in Playground

FAQ

Common questions about Mercury 2 vs Mistral Large 4.

Which is better, Mercury 2 or Mistral Large 4?

Mistral Large 4 leads the LLM Stats Score 46.2 to 23.5. Mercury 2 is made by Inception 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 Mercury 2 compare to Mistral Large 4 in benchmarks?

Mercury 2 scores AIME 2025: 91.1%, GPQA: 74.0%, IFBench: 71.0%, LiveCodeBench: 67.0%, Tau2 Airline: 53.0%. Mistral Large 4 scores B3 AI Security Benchmark: 93.3%, CyBench: 93.0%, SciCode: 91.8%, KORABench: 84.5%, CyberGym: 82.0%.

Is Mercury 2 cheaper than Mistral Large 4?

Mercury 2 is 2.7x cheaper for input tokens. Mercury 2 costs $0.25/M input and $0.75/M output via inception. Mistral Large 4 costs $0.68/M input and $2.09/M output via mistral.

What are the context window sizes for Mercury 2 and Mistral Large 4?

Mercury 2 supports 128K 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 Mercury 2 and Mistral Large 4?

Key differences include LLM Stats Score (23.5 vs 46.2), context window (128K vs 1.0M), input pricing ($0.25 vs $0.68/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Mercury 2 and Mistral Large 4?

Mercury 2 is developed by Inception and Mistral Large 4 is developed by Mistral AI.