Model Comparison

GPT-4o mini vs Kimi-k1.5

Kimi-k1.5 significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

GPT-4o mini outperforms in 0 benchmarks, while Kimi-k1.5 is better at 3 benchmarks (MathVista, MMLU, MMMU).

Kimi-k1.5 significantly outperforms across most benchmarks.

Wed Apr 08 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
Wed Apr 08 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
Moonshot AI
Kimi-k1.5
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Only GPT-4o mini specifies input context (128,000 tokens). Only GPT-4o mini specifies output context (16,384 tokens).

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Moonshot AI
Kimi-k1.5
Input- tokens
Output- tokens
Wed Apr 08 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o mini and Kimi-k1.5 support multimodal inputs.

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

GPT-4o mini

Text
Images
Audio
Video

Kimi-k1.5

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

GPT-4o mini

Proprietary

Closed source

Kimi-k1.5

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while Kimi-k1.5 was released on 2025-01-20.

Kimi-k1.5 is 6 months newer than GPT-4o mini.

GPT-4o mini

Jul 18, 2024

1.7 years ago

Kimi-k1.5

Jan 20, 2025

1.2 years ago

6mo newer

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while Kimi-k1.5's cutoff date is not specified.

We can confirm GPT-4o mini's training data extends to 2023-10-01, but cannot make a direct comparison without Kimi-k1.5's cutoff date.

GPT-4o mini

Oct 2023

Kimi-k1.5

—

Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (128,000 tokens)
Moonshot AI
Higher MathVista score (74.9% vs 56.7%)
Higher MMLU score (87.4% vs 82.0%)
Higher MMMU score (70.0% vs 59.4%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o mini
Moonshot AI
Kimi-k1.5

FAQ

Common questions about GPT-4o mini vs Kimi-k1.5

Kimi-k1.5 significantly outperforms across most benchmarks. GPT-4o mini is made by OpenAI and Kimi-k1.5 is made by Moonshot AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%. Kimi-k1.5 scores MATH-500: 96.2%, CLUEWSC: 91.4%, C-Eval: 88.3%, MMLU: 87.4%, IFEval: 87.2%.
GPT-4o mini supports 128K tokens and Kimi-k1.5 supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
GPT-4o mini is developed by OpenAI and Kimi-k1.5 is developed by Moonshot AI.