Hermes 3 405B vs MiMo-V2.5-Pro

MiMo-V2.5-Pro leads the LLM Stats Score 24.8 to 4.4. MiMo-V2.5-Pro is 1.8x cheaper per token.

Nous Research · Xiaomi · Updated for 2026

Which is better?

MiMo-V2.5-Pro leads the overall LLM Stats Score 24.8 to 4.4, ranking #159 overall.

In the 6 individual benchmarks reported for both models, MiMo-V2.5-Pro wins 4; this is a narrower head-to-head signal than the composite indexes.

On price, MiMo-V2.5-Pro is roughly 1.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

MiMo-V2.5-Pro also accepts a larger context window (1,048,576 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 Hermes 3 405B

you want predictable pricing at $1.00/M input and $1.00/M output

Choose MiMo-V2.5-Pro

overall performance matters — it scores 24.8 and ranks #159 on LLM Stats
your work emphasizes reasoning — it leads those capability indexes
you value its reported benchmark strengths — it wins 4 of 6 exact shared results
cost matters — it's about 1.8x cheaper per token
you process long inputs — it offers a 1,048,576 token context window
you want the most recent training data — it shipped Apr 2026

At a glance

The differences that matter most.

Better token value: MiMo-V2.5-Pro

Core performance indexes

LLM Stats Score

4.4

#299 · 13 evals

24.8

#159 · 27 evals

Best

Reasoning

3.8

#297 · 13 evals

24.2

#157 · 25 evals

Best

Cost, coverage & limits

Benchmark wins

2 of 6

4 of 6

Best

Input price

$1.00 / M

$0.43 / M

Best

Output price

$1.00 / M

$0.87 / M

Best

Context window

131,072

1,048,576

Best

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared

Index

Hermes 3 405B

MiMo-V2.5-Pro

Math

6.7#267 · 4 evals

25.4#109 · 8 evals

Finance

7.5#158 · 2 evals

20.7#80 · 3 evals

Legal

8.7#137 · 3 evals

17.2#91 · 2 evals

Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

13 reported for Hermes 3 405B · 31 for MiMo-V2.5-Pro

6 shared

Hermes 3 405B outperforms in 2 benchmarks (HellaSwag, Winogrande), while MiMo-V2.5-Pro is better at 4 benchmarks (ARC-C, BBH, MMLU, MMLU-Pro).

MiMo-V2.5-Pro shows notably better performance in the majority of benchmarks.

Wed Sep 09 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

MiMo-V2.5-Pro costs less

For input processing, Hermes 3 405B ($1.00/1M tokens) is 2.3x more expensive than MiMo-V2.5-Pro ($0.43/1M tokens).

For output processing, Hermes 3 405B ($1.00/1M tokens) is 1.1x more expensive than MiMo-V2.5-Pro ($0.87/1M tokens).

In conclusion, Hermes 3 405B is more expensive than MiMo-V2.5-Pro.*

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

Lowest available price from all providers

Wed Sep 09 2026 • llm-stats.com

Hermes 3 405B

Input tokens$1.00

Output tokens$1.00

Best providerDeepinfra

MiMo-V2.5-Pro

Input tokens$0.43

Output tokens$0.87

Best providerXiaomi

Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

618.2B diff

MiMo-V2.5-Pro has 618.2B more parameters than Hermes 3 405B, making it 152.7% larger.

Hermes 3 405B

405.0Bparameters

MiMo-V2.5-Pro

1.0Tparameters

405.0B

Hermes 3 405B

1023.2B

MiMo-V2.5-Pro

Context Window

Maximum input and output token capacity

MiMo-V2.5-Pro accepts 1,048,576 input tokens compared to Hermes 3 405B's 131,072 tokens. Both models can generate responses up to 131,072 tokens.

Hermes 3 405B

Input131,072 tokens

Output131,072 tokens

MiMo-V2.5-Pro

Input1,048,576 tokens

Output131,072 tokens

Wed Sep 09 2026 • llm-stats.com

License

Usage and distribution terms

Hermes 3 405B is licensed under Apache 2.0, while MiMo-V2.5-Pro uses MIT.

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

Hermes 3 405B

Apache 2.0

Open weights

MiMo-V2.5-Pro

MIT

Open weights

Release Timeline

When each model was launched

Hermes 3 405B was released on 2024-10-09, while MiMo-V2.5-Pro was released on 2026-04-27.

MiMo-V2.5-Pro is 19 months newer than Hermes 3 405B.

Hermes 3 405B

Oct 9, 2024

1.9 years ago

MiMo-V2.5-Pro

Apr 27, 2026

4 months ago

1.5yr 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

Hermes 3 405B is available from DeepInfra. MiMo-V2.5-Pro is available from Xiaomi, DeepInfra, Novita.

Hermes 3 405B

Deepinfra

Input Price:Input: $1.00/1MOutput Price:Output: $1.00/1M

MiMo-V2.5-Pro

Xiaomi

Input Price:Input: $0.43/1MOutput Price:Output: $0.87/1M

Deepinfra

Input Price:Input: $1.00/1MOutput Price:Output: $3.00/1M

Novita

Input Price:Input: $2.00/1MOutput Price:Output: $6.00/1M

* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Hermes 3 405B and MiMo-V2.5-Pro side-by-side, then vote on the output you prefer.

Hermes 3 405B

✓ Preferred

MiMo-V2.5-Pro

Open in Playground

FAQ

Common questions about Hermes 3 405B vs MiMo-V2.5-Pro.

Which is better, Hermes 3 405B or MiMo-V2.5-Pro?

MiMo-V2.5-Pro leads the LLM Stats Score 24.8 to 4.4. Hermes 3 405B is made by Nous Research and MiMo-V2.5-Pro is made by Xiaomi. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Hermes 3 405B compare to MiMo-V2.5-Pro in benchmarks?

Hermes 3 405B scores HellaSwag: 90.2%, MT-Bench: 89.3%, BoolQ: 88.9%, Winogrande: 86.3%, ARC-E: 86.2%. MiMo-V2.5-Pro scores FrontierSWE (Impl.): 100.0%, GSM8k: 99.6%, ARC-C: 97.2%, MMLU-Redux: 92.8%, C-Eval: 91.5%.

Is Hermes 3 405B cheaper than MiMo-V2.5-Pro?

MiMo-V2.5-Pro is 2.3x cheaper for input tokens. Hermes 3 405B costs $1.00/M input and $1.00/M output via deepinfra. MiMo-V2.5-Pro costs $0.43/M input and $0.87/M output via xiaomi.

What are the context window sizes for Hermes 3 405B and MiMo-V2.5-Pro?

Hermes 3 405B supports 131K tokens and MiMo-V2.5-Pro 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 Hermes 3 405B and MiMo-V2.5-Pro?

Key differences include LLM Stats Score (4.4 vs 24.8), context window (131K vs 1.0M), input pricing ($1.00 vs $0.43/M), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Hermes 3 405B and MiMo-V2.5-Pro?

Hermes 3 405B is developed by Nous Research and MiMo-V2.5-Pro is developed by Xiaomi.

Hermes 3 405B vs MiMo-V2.5-Pro