The AI arena is free today

Open Superagent

Grok 4.3 vs MiMo-V2.6-Flash

MiMo-V2.6-Flash leads the LLM Stats Score 44.8 to 22.0. MiMo-V2.6-Flash is 8.9x cheaper per token.

xAI · Xiaomi · Updated for 2026

Which is better?

MiMo-V2.6-Flash leads the overall LLM Stats Score 44.8 to 22.0, ranking #45 overall.

On price, MiMo-V2.6-Flash is roughly 8.9x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

MiMo-V2.6-Flash 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 Grok 4.3

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

Choose MiMo-V2.6-Flash

  • overall performance matters — it scores 44.8 and ranks #45 on LLM Stats
  • your work emphasizes reasoning and agents — it leads those capability indexes
  • cost matters — it's about 8.9x 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 Sep 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Grok 4.3
xAI
MiMo-V2.6-Flash
Xiaomi
Core performance indexes
LLM Stats Score
22.0
#202
44.8
#45
Reasoning
22.5
#193
43.6
#50
Agents
10.1
#141
32.0
#38
Cost, coverage & limits
Benchmark wins
—
—
Input price
$1.25 / M
$0.14 / M
Output price
$2.50 / M
$0.28 / M
Context window
1,000,000
1,048,576

Individual benchmarks

1 reported for Grok 4.3 · 16 for MiMo-V2.6-Flash

No common benchmarks found

Grok 4.3 and MiMo-V2.6-Flashdon'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

MiMo-V2.6-Flash costs less

For input processing, Grok 4.3 ($1.25/1M tokens) is 8.9x more expensive than MiMo-V2.6-Flash ($0.14/1M tokens).

For output processing, Grok 4.3 ($2.50/1M tokens) is 8.9x more expensive than MiMo-V2.6-Flash ($0.28/1M tokens).

In conclusion, Grok 4.3 is more expensive than MiMo-V2.6-Flash.*

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

Lowest available price from all providers
Sun Oct 25 2026 • llm-stats.com
xAI
Grok 4.3
Input tokens$1.25
Output tokens$2.50
Best providerxAI
Xiaomi
MiMo-V2.6-Flash
Input tokens$0.14
Output tokens$0.28
Best providerXiaomi
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

MiMo-V2.6-Flash accepts 1,048,576 input tokens compared to Grok 4.3's 1,000,000 tokens.

xAI
Grok 4.3
Input1,000,000 tokens
Output- tokens
Xiaomi
MiMo-V2.6-Flash
Input1,048,576 tokens
Output- tokens
Sun Oct 25 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

MiMo-V2.6-Flash supports multimodal inputs, whereas Grok 4.3 does not.

MiMo-V2.6-Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok 4.3

Text
Images
Audio
Video

MiMo-V2.6-Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Grok 4.3 is licensed under a proprietary license, while MiMo-V2.6-Flash uses MIT.

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

Grok 4.3

Proprietary

Closed source

MiMo-V2.6-Flash

MIT

Open weights

Release Timeline

When each model was launched

Grok 4.3 was released on 2026-05-06, while MiMo-V2.6-Flash was released on 2026-09-22.

MiMo-V2.6-Flash is 5 months newer than Grok 4.3.

Grok 4.3

May 6, 2026

5 months ago

MiMo-V2.6-Flash

Sep 22, 2026

1 months ago

4mo 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. MiMo-V2.6-Flash is available from Xiaomi.

Grok 4.3

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

MiMo-V2.6-Flash

xiaomi logo
Xiaomi
Input Price:Input: $0.14/1MOutput Price:Output: $0.28/1M
* 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 MiMo-V2.6-Flash side-by-side, then vote on the output you prefer.

Grok 4.3
✓ Preferred
MiMo-V2.6-Flash
Open in Playground

FAQ

Common questions about Grok 4.3 vs MiMo-V2.6-Flash.

Which is better, Grok 4.3 or MiMo-V2.6-Flash?

MiMo-V2.6-Flash leads the LLM Stats Score 44.8 to 22.0. Grok 4.3 is made by xAI and MiMo-V2.6-Flash is made by Xiaomi. 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 MiMo-V2.6-Flash in benchmarks?

Grok 4.3 scores Finance Agent v2: 37.7%. MiMo-V2.6-Flash scores CyberGym: 95.1%, Terminal-Bench 2.1: 87.6%, OSWorld-Verified: 80.8%, MiMo Cyber Bench: 77.2%, Toolathlon-Verified: 73.6%.

Is Grok 4.3 cheaper than MiMo-V2.6-Flash?

MiMo-V2.6-Flash is 8.9x cheaper for input tokens. Grok 4.3 costs $1.25/M input and $2.50/M output via xai. MiMo-V2.6-Flash costs $0.14/M input and $0.28/M output via xiaomi.

What are the context window sizes for Grok 4.3 and MiMo-V2.6-Flash?

Grok 4.3 supports 1.0M tokens and MiMo-V2.6-Flash 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 MiMo-V2.6-Flash?

Key differences include LLM Stats Score (22.0 vs 44.8), context window (1.0M vs 1.0M), input pricing ($1.25 vs $0.14/M), multimodal support (no vs yes), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok 4.3 and MiMo-V2.6-Flash?

Grok 4.3 is developed by xAI and MiMo-V2.6-Flash is developed by Xiaomi.

Related comparisons