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MiMo-V2.6-Flash vs Seed 1.8

MiMo-V2.6-Flash leads the LLM Stats Score 45.7 to 34.1. MiMo-V2.6-Flash is 3.9x cheaper per token.

Xiaomi · ByteDance · Updated for 2026

Which is better?

MiMo-V2.6-Flash leads the overall LLM Stats Score 45.7 to 34.1, ranking #31 overall.

On price, MiMo-V2.6-Flash is roughly 3.9x 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 MiMo-V2.6-Flash

  • overall performance matters — it scores 45.7 and ranks #31 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • cost matters — it's about 3.9x 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

Choose Seed 1.8

  • you want predictable pricing at $0.25/M input and $2.00/M output

At a glance

The differences that matter most.

MiMo-V2.6-Flash
Xiaomi
Seed 1.8
ByteDance
Core performance indexes
LLM Stats Score
45.7
#31
34.1
#99
Reasoning
43.1
#45
33.5
#101
Coding
36.3
#22
19.7
#105
Agents
33.0
#28
14.7
#94
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.14 / M
$0.25 / M
Output price
$0.28 / M
$2.00 / M
Context window
1,048,576
256,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
MiMo-V2.6-Flash
Seed 1.8
Tool use
25.7#29
6.4#149
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

16 reported for MiMo-V2.6-Flash · 57 for Seed 1.8

No common benchmarks found

MiMo-V2.6-Flash and Seed 1.8don'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, MiMo-V2.6-Flash ($0.14/1M tokens) is 1.8x cheaper than Seed 1.8 ($0.25/1M tokens).

For output processing, MiMo-V2.6-Flash ($0.28/1M tokens) is 7.1x cheaper than Seed 1.8 ($2.00/1M tokens).

In conclusion, Seed 1.8 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 Sep 27 2026 • llm-stats.com
Xiaomi
MiMo-V2.6-Flash
Input tokens$0.14
Output tokens$0.28
Best providerXiaomi
ByteDance
Seed 1.8
Input tokens$0.25
Output tokens$2.00
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

MiMo-V2.6-Flash accepts 1,048,576 input tokens compared to Seed 1.8's 256,000 tokens. Only Seed 1.8 specifies output context (256,000 tokens).

Xiaomi
MiMo-V2.6-Flash
Input1,048,576 tokens
Output- tokens
ByteDance
Seed 1.8
Input256,000 tokens
Output256,000 tokens
Sun Sep 27 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both MiMo-V2.6-Flash and Seed 1.8 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

MiMo-V2.6-Flash

Text
Images
Audio
Video

Seed 1.8

Text
Images
Audio
Video

License

Usage and distribution terms

MiMo-V2.6-Flash is licensed under MIT, while Seed 1.8 uses a proprietary license.

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

MiMo-V2.6-Flash

MIT

Open weights

Seed 1.8

Proprietary

Closed source

Release Timeline

When each model was launched

MiMo-V2.6-Flash was released on 2026-09-22, while Seed 1.8 was released on 2026-02-17.

MiMo-V2.6-Flash is 7 months newer than Seed 1.8.

MiMo-V2.6-Flash

Sep 22, 2026

5 days ago

7mo newer
Seed 1.8

Feb 17, 2026

7 months ago

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

MiMo-V2.6-Flash is available from Xiaomi. Seed 1.8 is available from DeepInfra.

MiMo-V2.6-Flash

xiaomi logo
Xiaomi
Input Price:Input: $0.14/1MOutput Price:Output: $0.28/1M

Seed 1.8

deepinfra logo
Deepinfra
Input Price:Input: $0.25/1MOutput Price:Output: $2.00/1M
* 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 MiMo-V2.6-Flash and Seed 1.8 side-by-side, then vote on the output you prefer.

MiMo-V2.6-Flash
✓ Preferred
Seed 1.8
Open in Playground

FAQ

Common questions about MiMo-V2.6-Flash vs Seed 1.8.

Which is better, MiMo-V2.6-Flash or Seed 1.8?

MiMo-V2.6-Flash leads the LLM Stats Score 45.7 to 34.1. MiMo-V2.6-Flash is made by Xiaomi and Seed 1.8 is made by ByteDance. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does MiMo-V2.6-Flash compare to Seed 1.8 in benchmarks?

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%. Seed 1.8 scores CountBench: 96.3%, AIME 2025: 94.3%, VLMsAreBlind: 93.0%, MMLU: 92.3%, AI2D: 89.1%.

Is MiMo-V2.6-Flash cheaper than Seed 1.8?

MiMo-V2.6-Flash is 1.8x cheaper for input tokens. MiMo-V2.6-Flash costs $0.14/M input and $0.28/M output via xiaomi. Seed 1.8 costs $0.25/M input and $2.00/M output via deepinfra.

What are the context window sizes for MiMo-V2.6-Flash and Seed 1.8?

MiMo-V2.6-Flash supports 1.0M tokens and Seed 1.8 supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between MiMo-V2.6-Flash and Seed 1.8?

Key differences include LLM Stats Score (45.7 vs 34.1), context window (1.0M vs 256K), input pricing ($0.14 vs $0.25/M), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes MiMo-V2.6-Flash and Seed 1.8?

MiMo-V2.6-Flash is developed by Xiaomi and Seed 1.8 is developed by ByteDance.

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