GPT-4o mini vs Kimi-k1.5
Kimi-k1.5 leads the LLM Stats Score 17.4 to 3.9.
OpenAI · Moonshot AI · Updated for 2026
Which is better?
Kimi-k1.5 leads the overall LLM Stats Score 17.4 to 3.9, ranking #200 overall.
In the 3 individual benchmarks reported for both models, Kimi-k1.5 wins 3; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-4o mini
- you want predictable pricing at $0.15/M input and $0.60/M output
Choose Kimi-k1.5
- overall performance matters — it scores 17.4 and ranks #200 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 3 of 3 exact shared results
- you want the most recent training data — it shipped Jan 2025
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
9 reported for GPT-4o mini · 9 for Kimi-k1.5
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.
Human preference
Blind head-to-head votes and playground preference scores
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).
Input capabilities
Documented input modalities across available providers
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
Kimi-k1.5
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
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.
Jul 18, 2024
2.1 years ago
Jan 20, 2025
1.6 years ago
6mo newerKnowledge 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.
Oct 2023
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Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-4o mini and Kimi-k1.5 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-4o mini vs Kimi-k1.5.