Claude 3 Opus vs Kimi-k1.5
Kimi-k1.5 leads the LLM Stats Score 17.2 to 9.9.
Anthropic · Moonshot AI · Updated for 2026
Which is better?
Kimi-k1.5 leads the overall LLM Stats Score 17.2 to 9.9, ranking #224 overall.
In the 1 individual benchmarks reported for both models, Kimi-k1.5 wins 1; 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 Claude 3 Opus
- you want predictable pricing at $15.00/M input and $75.00/M output
Choose Kimi-k1.5
- overall performance matters — it scores 17.2 and ranks #224 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 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
11 reported for Claude 3 Opus · 9 for Kimi-k1.5
Claude 3 Opus outperforms in 0 benchmarks, while Kimi-k1.5 is better at 1 benchmark (MMLU).
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 Claude 3 Opus specifies input context (200,000 tokens). Only Claude 3 Opus specifies output context (200,000 tokens).
Input capabilities
Documented input modalities across available providers
Both Claude 3 Opus and Kimi-k1.5 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude 3 Opus
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
Claude 3 Opus was released on 2024-02-29, while Kimi-k1.5 was released on 2025-01-20.
Kimi-k1.5 is 11 months newer than Claude 3 Opus.
Feb 29, 2024
2.6 years ago
Jan 20, 2025
1.7 years ago
10mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3 Opus and Kimi-k1.5 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3 Opus vs Kimi-k1.5.