Mercury 3 vs MiMo-V2.5
Mercury 3 and MiMo-V2.5 are closely matched at 36.1 and 35.8 on the LLM Stats Score. Mercury 3 is 1.3x cheaper per token.
Inception · Xiaomi · Updated for 2026
Which is better?
Mercury 3 and MiMo-V2.5 are closely matched on the overall LLM Stats Score at 36.1 and 35.8.
On price, Mercury 3 is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
MiMo-V2.5 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 Mercury 3
- cost matters — it's about 1.3x cheaper per token
- you want the most recent training data — it shipped Oct 2026
Choose MiMo-V2.5
- you process long inputs — it offers a 1,048,576 token context window
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
12 reported for Mercury 3 · 14 for MiMo-V2.5
Mercury 3 and MiMo-V2.5don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Mercury 3 ($0.10/1M tokens) is 1.7x cheaper than MiMo-V2.5 ($0.17/1M tokens).
For output processing, Mercury 3 ($0.35/1M tokens) is 1.0x more expensive than MiMo-V2.5 ($0.34/1M tokens).
In conclusion, MiMo-V2.5 is more expensive than Mercury 3.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
MiMo-V2.5 accepts 1,048,576 input tokens compared to Mercury 3's 1,000,000 tokens. Both models can generate responses up to 131,072 tokens.
Input capabilities
Documented input modalities across available providers
MiMo-V2.5 supports multimodal inputs, whereas Mercury 3 does not.
MiMo-V2.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Mercury 3
MiMo-V2.5
License
Usage and distribution terms
Mercury 3 is licensed under a proprietary license, while MiMo-V2.5 uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Mercury 3 was released on 2026-10-19, while MiMo-V2.5 was released on 2026-04-22.
Mercury 3 is 6 months newer than MiMo-V2.5.
Oct 19, 2026
0 days ago
6mo newerApr 22, 2026
6 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Mercury 3 is available from Inception. MiMo-V2.5 is available from Novita, DeepInfra.
Mercury 3
MiMo-V2.5
Outputs Comparison
Judge for yourself.
Run your own prompts against Mercury 3 and MiMo-V2.5 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Mercury 3 vs MiMo-V2.5.