Model Comparison

Devstral Small 1.1 vs Kimi K3Which is better in 2026?

Comparing Devstral Small 1.1 and Kimi K3 across benchmarks, pricing, and capabilities.

Verdict: Devstral Small 1.1 vs Kimi K3 — which is better?

Devstral Small 1.1 (by Mistral AI) and Kimi K3 (by Moonshot AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, Devstral Small 1.1 is roughly 40.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Kimi K3 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Devstral Small 1.1 if…

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

Choose Kimi K3 if…

  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Devstral Small 1.1 and Kimi K3don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Devstral Small 1.1 costs less

For input processing, Devstral Small 1.1 ($0.10/1M tokens) is 30.0x cheaper than Kimi K3 ($3.00/1M tokens).

For output processing, Devstral Small 1.1 ($0.30/1M tokens) is 50.0x cheaper than Kimi K3 ($15.00/1M tokens).

In conclusion, Kimi K3 is more expensive than Devstral Small 1.1.*

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

Lowest available price from all providers
Tue Jul 21 2026 • llm-stats.com
Mistral AI
Devstral Small 1.1
Input tokens$0.10
Output tokens$0.30
Best providerMistral
Moonshot AI
Kimi K3
Input tokens$3.00
Output tokens$15.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

2776.0B diff

Kimi K3 has 2776.0B more parameters than Devstral Small 1.1, making it 11566.7% larger.

Mistral AI
Devstral Small 1.1
24.0Bparameters
Moonshot AI
Kimi K3
2.8Tparameters
24.0B
Devstral Small 1.1
2800.0B
Kimi K3

Context Window

Maximum input and output token capacity

Kimi K3 accepts 1,048,576 input tokens compared to Devstral Small 1.1's 128,000 tokens. Kimi K3 can generate longer responses up to 1,048,576 tokens, while Devstral Small 1.1 is limited to 128,000 tokens.

Mistral AI
Devstral Small 1.1
Input128,000 tokens
Output128,000 tokens
Moonshot AI
Kimi K3
Input1,048,576 tokens
Output1,048,576 tokens
Tue Jul 21 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Kimi K3 supports multimodal inputs, whereas Devstral Small 1.1 does not.

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

Devstral Small 1.1

Text
Images
Audio
Video

Kimi K3

Text
Images
Audio
Video

Release Timeline

When each model was launched

Devstral Small 1.1 was released on 2025-07-11, while Kimi K3 was released on 2026-07-16.

Kimi K3 is 12 months newer than Devstral Small 1.1.

Devstral Small 1.1

Jul 11, 2025

1.0 years ago

Kimi K3

Jul 16, 2026

5 days ago

1.0yr 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

Devstral Small 1.1 is available from Mistral AI. Kimi K3 is available from Moonshot AI.

Devstral Small 1.1

mistral logo
Mistral
Input Price:Input: $0.10/1MOutput Price:Output: $0.30/1M

Kimi K3

moonshot logo
Unknown Organization
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Mistral AI
Less expensive input tokens
Less expensive output tokens
Moonshot AI
Larger context window (1,048,576 tokens)
Supports multimodal inputs

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Devstral Small 1.1 and Kimi K3 side-by-side, then vote on the output you prefer.

Devstral Small 1.1
✓ Preferred
Kimi K3
Open in Playground
AI Model Comparison Table
Feature
Mistral AI
Devstral Small 1.1
Moonshot AI
Kimi K3

FAQ

Common questions about Devstral Small 1.1 vs Kimi K3.

Which is better, Devstral Small 1.1 or Kimi K3?

Devstral Small 1.1 (Mistral AI) and Kimi K3 (Moonshot AI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Devstral Small 1.1 compare to Kimi K3 in benchmarks?

Devstral Small 1.1 scores SWE-Bench Verified: 53.6%. Kimi K3 scores MathVision: 97.8%, DeepSearchQA: 95.0%, GPQA: 93.5%, CharXiv-R: 91.3%, BrowseComp: 91.2%.

Is Devstral Small 1.1 cheaper than Kimi K3?

Devstral Small 1.1 is 30.0x cheaper for input tokens. Devstral Small 1.1 costs $0.10/M input and $0.30/M output via mistral. Kimi K3 costs $3.00/M input and $15.00/M output via moonshot.

What are the context window sizes for Devstral Small 1.1 and Kimi K3?

Devstral Small 1.1 supports 128K tokens and Kimi K3 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 Devstral Small 1.1 and Kimi K3?

Key differences include context window (128K vs 1.0M), input pricing ($0.10 vs $3.00/M), multimodal support (no vs yes), licensing (Apache 2.0 vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes Devstral Small 1.1 and Kimi K3?

Devstral Small 1.1 is developed by Mistral AI and Kimi K3 is developed by Moonshot AI.

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