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Kimi K3.1 Pro vs Ministral 8B Instruct

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to -5.2. Ministral 8B Instruct is 40.0x cheaper per token.

Moonshot AI · Mistral AI · Updated for 2026

Which is better?

Kimi K3.1 Pro leads the overall LLM Stats Score 55.5 to -5.2, ranking #5 overall.

On price, Ministral 8B Instruct is roughly 40.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Kimi K3.1 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 Kimi K3.1 Pro

  • overall performance matters — it scores 55.5 and ranks #5 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026

Choose Ministral 8B Instruct

  • cost matters — it's about 40.0x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Kimi K3.1 Pro
Moonshot AI
Ministral 8B Instruct
Mistral AI
Core performance indexes
LLM Stats Score
55.5
#5
-5.2
#387
Reasoning
54.3
#6
-5.2
#380
Coding
42.7
#9
-14.5
#301
Cost, coverage & limits
Benchmark wins
—
—
Input price
$2.00 / M
$0.10 / M
Output price
$10.00 / M
$0.10 / M
Context window
1,048,576
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Kimi K3.1 Pro
Ministral 8B Instruct
Math
38.6#26
-4.2#337
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

30 reported for Kimi K3.1 Pro · 11 for Ministral 8B Instruct

No common benchmarks found

Kimi K3.1 Pro and Ministral 8B Instructdon'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

Ministral 8B Instruct costs less

For input processing, Kimi K3.1 Pro ($2.00/1M tokens) is 20.0x more expensive than Ministral 8B Instruct ($0.10/1M tokens).

For output processing, Kimi K3.1 Pro ($10.00/1M tokens) is 100.0x more expensive than Ministral 8B Instruct ($0.10/1M tokens).

In conclusion, Kimi K3.1 Pro is more expensive than Ministral 8B Instruct.*

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

Lowest available price from all providers
Thu Oct 29 2026 • llm-stats.com
Moonshot AI
Kimi K3.1 Pro
Input tokens$2.00
Output tokens$10.00
Best providerUnknown Organization
Mistral AI
Ministral 8B Instruct
Input tokens$0.10
Output tokens$0.10
Best providerMistral
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Kimi K3.1 Pro accepts 1,048,576 input tokens compared to Ministral 8B Instruct's 128,000 tokens. Kimi K3.1 Pro can generate longer responses up to 1,048,576 tokens, while Ministral 8B Instruct is limited to 128,000 tokens.

Moonshot AI
Kimi K3.1 Pro
Input1,048,576 tokens
Output1,048,576 tokens
Mistral AI
Ministral 8B Instruct
Input128,000 tokens
Output128,000 tokens
Thu Oct 29 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Kimi K3.1 Pro supports multimodal inputs, whereas Ministral 8B Instruct does not.

Kimi K3.1 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Kimi K3.1 Pro

Text
Images
Audio
Video

Ministral 8B Instruct

Text
Images
Audio
Video

Release Timeline

When each model was launched

Kimi K3.1 Pro was released on 2026-10-23, while Ministral 8B Instruct was released on 2024-10-16.

Kimi K3.1 Pro is 25 months newer than Ministral 8B Instruct.

Kimi K3.1 Pro

Oct 23, 2026

3 days ago

2.0yr newer
Ministral 8B Instruct

Oct 16, 2024

2.0 years 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

Kimi K3.1 Pro is available from Moonshot AI. Ministral 8B Instruct is available from Mistral AI.

Kimi K3.1 Pro

moonshot logo
Unknown Organization
Input Price:Input: $2.00/1MOutput Price:Output: $10.00/1M

Ministral 8B Instruct

mistral logo
Mistral
Input Price:Input: $0.10/1MOutput Price:Output: $0.10/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Kimi K3.1 Pro and Ministral 8B Instruct side-by-side, then vote on the output you prefer.

Kimi K3.1 Pro
✓ Preferred
Ministral 8B Instruct
Open in Playground

FAQ

Common questions about Kimi K3.1 Pro vs Ministral 8B Instruct.

Which is better, Kimi K3.1 Pro or Ministral 8B Instruct?

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to -5.2. Kimi K3.1 Pro is made by Moonshot AI and Ministral 8B Instruct is made by Mistral AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Kimi K3.1 Pro compare to Ministral 8B Instruct in benchmarks?

Kimi K3.1 Pro scores BabyVision: 95.4%, GPQA: 94.2%, BenchCAD (with Python tool): 92.7%, BrowseComp: 92.1%, Chartography: 90.2%. Ministral 8B Instruct scores MT-Bench: 83.0%, Winogrande: 75.3%, ARC-C: 71.9%, Arena Hard: 70.9%, MBPP pass@1: 70.0%.

Is Kimi K3.1 Pro cheaper than Ministral 8B Instruct?

Ministral 8B Instruct is 20.0x cheaper for input tokens. Kimi K3.1 Pro costs $2.00/M input and $10.00/M output via moonshot. Ministral 8B Instruct costs $0.10/M input and $0.10/M output via mistral.

What are the context window sizes for Kimi K3.1 Pro and Ministral 8B Instruct?

Kimi K3.1 Pro supports 1.0M tokens and Ministral 8B Instruct supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Kimi K3.1 Pro and Ministral 8B Instruct?

Key differences include LLM Stats Score (55.5 vs -5.2), context window (1.0M vs 128K), input pricing ($2.00 vs $0.10/M), multimodal support (yes vs no), licensing (Unknown vs Mistral Research License). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K3.1 Pro and Ministral 8B Instruct?

Kimi K3.1 Pro is developed by Moonshot AI and Ministral 8B Instruct is developed by Mistral AI.

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