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Kimi K3.1 Pro vs Pixtral-12B

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to -2.1. Pixtral-12B is 26.7x 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 -2.1, ranking #5 overall.

On price, Pixtral-12B is roughly 26.7x 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 Pixtral-12B

  • cost matters — it's about 26.7x 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
Pixtral-12B
Mistral AI
Core performance indexes
LLM Stats Score
55.5
#5
-2.1
#373
Reasoning
54.3
#6
-4.2
#375
Coding
42.7
#9
-2.7
#284
Cost, coverage & limits
Benchmark wins
—
—
Input price
$2.00 / M
$0.15 / M
Output price
$10.00 / M
$0.15 / M
Context window
1,048,576
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Kimi K3.1 Pro
Pixtral-12B
Math
38.6#26
0.9#316
Vision
40.5#4
-0.0#208
Multimodal
40.8#2
3.6#162
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

30 reported for Kimi K3.1 Pro · 12 for Pixtral-12B

No common benchmarks found

Kimi K3.1 Pro and Pixtral-12Bdon'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

Pixtral-12B costs less

For input processing, Kimi K3.1 Pro ($2.00/1M tokens) is 13.3x more expensive than Pixtral-12B ($0.15/1M tokens).

For output processing, Kimi K3.1 Pro ($10.00/1M tokens) is 66.7x more expensive than Pixtral-12B ($0.15/1M tokens).

In conclusion, Kimi K3.1 Pro is more expensive than Pixtral-12B.*

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

Lowest available price from all providers
Sun Nov 01 2026 • llm-stats.com
Moonshot AI
Kimi K3.1 Pro
Input tokens$2.00
Output tokens$10.00
Best providerUnknown Organization
Mistral AI
Pixtral-12B
Input tokens$0.15
Output tokens$0.15
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 Pixtral-12B's 128,000 tokens. Kimi K3.1 Pro can generate longer responses up to 1,048,576 tokens, while Pixtral-12B is limited to 8,192 tokens.

Moonshot AI
Kimi K3.1 Pro
Input1,048,576 tokens
Output1,048,576 tokens
Mistral AI
Pixtral-12B
Input128,000 tokens
Output8,192 tokens
Sun Nov 01 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Kimi K3.1 Pro and Pixtral-12B support multimodal inputs.

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

Kimi K3.1 Pro

Text
Images
Audio
Video

Pixtral-12B

Text
Images
Audio
Video

Release Timeline

When each model was launched

Kimi K3.1 Pro was released on 2026-10-23, while Pixtral-12B was released on 2024-09-17.

Kimi K3.1 Pro is 26 months newer than Pixtral-12B.

Kimi K3.1 Pro

Oct 23, 2026

1 weeks ago

2.1yr newer
Pixtral-12B

Sep 17, 2024

2.1 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. Pixtral-12B is available from Mistral AI.

Kimi K3.1 Pro

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

Pixtral-12B

mistral logo
Mistral
Input Price:Input: $0.15/1MOutput Price:Output: $0.15/1M
* 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 Pixtral-12B side-by-side, then vote on the output you prefer.

Kimi K3.1 Pro
✓ Preferred
Pixtral-12B
Open in Playground

FAQ

Common questions about Kimi K3.1 Pro vs Pixtral-12B.

Which is better, Kimi K3.1 Pro or Pixtral-12B?

Kimi K3.1 Pro leads the LLM Stats Score 55.5 to -2.1. Kimi K3.1 Pro is made by Moonshot AI and Pixtral-12B 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 Pixtral-12B 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%. Pixtral-12B scores DocVQA: 90.7%, ChartQA: 81.8%, VQAv2: 78.6%, MT-Bench: 76.8%, HumanEval: 72.0%.

Is Kimi K3.1 Pro cheaper than Pixtral-12B?

Pixtral-12B is 13.3x cheaper for input tokens. Kimi K3.1 Pro costs $2.00/M input and $10.00/M output via moonshot. Pixtral-12B costs $0.15/M input and $0.15/M output via mistral.

What are the context window sizes for Kimi K3.1 Pro and Pixtral-12B?

Kimi K3.1 Pro supports 1.0M tokens and Pixtral-12B 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 Pixtral-12B?

Key differences include LLM Stats Score (55.5 vs -2.1), context window (1.0M vs 128K), input pricing ($2.00 vs $0.15/M), licensing (Unknown vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Kimi K3.1 Pro and Pixtral-12B?

Kimi K3.1 Pro is developed by Moonshot AI and Pixtral-12B is developed by Mistral AI.

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