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Command A+ vs Mercury 3

Mercury 3 leads the LLM Stats Score 36.1 to 23.6.

Cohere · Inception · Updated for 2026

Which is better?

Mercury 3 leads the overall LLM Stats Score 36.1 to 23.6, ranking #98 overall.

In the 1 individual benchmarks reported for both models, Mercury 3 wins 1; 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 Command A+

  • you need open weights you can self-host or fine-tune

Choose Mercury 3

  • overall performance matters — it scores 36.1 and ranks #98 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 want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
23.6
#193
36.1
#98
21.0
#203
34.8
#103
6.3
#211
21.5
#105
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
— / M
$0.10 / M
Output price
— / M
$0.35 / M
Context window
—
1,000,000

Individual benchmarks

15 reported for Command A+ · 12 for Mercury 3

1 shared

Command A+ outperforms in 0 benchmarks, while Mercury 3 is better at 1 benchmark (IFBench).

Mercury 3 significantly outperforms across most benchmarks.

Fri Oct 23 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Mercury 3 specifies input context (1,000,000 tokens). Only Mercury 3 specifies output context (131,072 tokens).

Cohere
Command A+
Input- tokens
Output- tokens
Inception
Mercury 3
Input1,000,000 tokens
Output131,072 tokens
Fri Oct 23 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Command A+ supports multimodal inputs, whereas Mercury 3 does not.

Command A+ can handle both text and other forms of data like images, making it suitable for multimodal applications.

Command A+

Text
Images
Audio
Video

Mercury 3

Text
Images
Audio
Video

License

Usage and distribution terms

Command A+ is licensed under Apache 2.0, while Mercury 3 uses a proprietary license.

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

Command A+

Apache 2.0

Open weights

Mercury 3

Proprietary

Closed source

Release Timeline

When each model was launched

Command A+ was released on 2026-05-20, while Mercury 3 was released on 2026-10-19.

Mercury 3 is 5 months newer than Command A+.

Command A+

May 20, 2026

5 months ago

Mercury 3

Oct 19, 2026

0 days 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

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Command A+ and Mercury 3 side-by-side, then vote on the output you prefer.

Command A+
✓ Preferred
Mercury 3
Open in Playground

FAQ

Common questions about Command A+ vs Mercury 3.

Which is better, Command A+ or Mercury 3?

Mercury 3 leads the LLM Stats Score 36.1 to 23.6. Command A+ is made by Cohere and Mercury 3 is made by Inception. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Command A+ compare to Mercury 3 in benchmarks?

Command A+ scores AIME 2025: 90.0%, CharXiv-D: 88.0%, MT-AIME 2025: 86.0%, Tau2 Telecom: 85.0%, WMT24++: 81.0%. Mercury 3 scores GPQA: 89.2%, AA-LCR: 77.7%, IFBench: 76.8%, MRCR v2: 75.5%, DeepSearchQA: 71.3%.

What are the context window sizes for Command A+ and Mercury 3?

Command A+ supports an unknown number of tokens and Mercury 3 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 Command A+ and Mercury 3?

Key differences include LLM Stats Score (23.6 vs 36.1), multimodal support (yes vs no), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Command A+ and Mercury 3?

Command A+ is developed by Cohere and Mercury 3 is developed by Inception.