Model Comparison

Kimi K2.5 vs Step3-VL-10B

Kimi K2.5 significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Kimi K2.5 outperforms in 2 benchmarks (AIME 2025, MathVision), while Step3-VL-10B is better at 0 benchmarks.

Kimi K2.5 significantly outperforms across most benchmarks.

Tue Apr 07 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Tue Apr 07 2026 • llm-stats.com
Moonshot AI
Kimi K2.5
Input tokens$0.60
Output tokens$2.50
Best providerFireworks
StepFun
Step3-VL-10B
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Model Size

Parameter count comparison

990.0B diff

Kimi K2.5 has 990.0B more parameters than Step3-VL-10B, making it 9900.0% larger.

Moonshot AI
Kimi K2.5
1000.0Bparameters
StepFun
Step3-VL-10B
10.0Bparameters
1000.0B
Kimi K2.5
10.0B
Step3-VL-10B

Context Window

Maximum input and output token capacity

Only Kimi K2.5 specifies input context (262,100 tokens). Only Kimi K2.5 specifies output context (262,100 tokens).

Moonshot AI
Kimi K2.5
Input262,100 tokens
Output262,100 tokens
StepFun
Step3-VL-10B
Input- tokens
Output- tokens
Tue Apr 07 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Kimi K2.5 and Step3-VL-10B support multimodal inputs.

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

Kimi K2.5

Text
Images
Audio
Video

Step3-VL-10B

Text
Images
Audio
Video

License

Usage and distribution terms

Kimi K2.5 is licensed under MIT, while Step3-VL-10B uses Apache 2.0.

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

Kimi K2.5

MIT

Open weights

Step3-VL-10B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Kimi K2.5 was released on 2026-01-27, while Step3-VL-10B was released on 2026-01-15.

Kimi K2.5 is 0 month newer than Step3-VL-10B.

Kimi K2.5

Jan 27, 2026

2 months ago

1w newer
Step3-VL-10B

Jan 15, 2026

2 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

Outputs Comparison

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Key Takeaways

Moonshot AI
Larger context window (262,100 tokens)
Higher AIME 2025 score (96.1% vs 87.7%)
Higher MathVision score (84.2% vs 70.8%)
StepFun

Detailed Comparison

AI Model Comparison Table
Feature
Moonshot AI
Kimi K2.5
StepFun
Step3-VL-10B

FAQ

Common questions about Kimi K2.5 vs Step3-VL-10B

Kimi K2.5 significantly outperforms across most benchmarks. Kimi K2.5 is made by Moonshot AI and Step3-VL-10B is made by StepFun. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Kimi K2.5 scores AIME 2025: 96.1%, HMMT 2025: 95.4%, InfoVQAtest: 92.6%, OCRBench: 92.3%, MathVista-Mini: 90.1%. Step3-VL-10B scores MMBench: 91.8%, AIME 2025: 87.7%, MathVista: 84.0%, MMMU: 78.1%, MathVision: 70.8%.
Kimi K2.5 supports 262K tokens and Step3-VL-10B supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include licensing (MIT vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.
Kimi K2.5 is developed by Moonshot AI and Step3-VL-10B is developed by StepFun.