Hy3 vs Kimi K3
Kimi K3 leads the LLM Stats Score 53.3 to 43.2. Hy3 is 22.8x cheaper per token.
Tencent · Moonshot AI · Updated for 2026
Which is better?
Kimi K3 leads the overall LLM Stats Score 53.3 to 43.2, ranking #9 overall.
In the 8 individual benchmarks reported for both models, Kimi K3 wins 8; this is a narrower head-to-head signal than the composite indexes.
On price, Hy3 is roughly 22.8x 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.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Hy3
- cost matters — it's about 22.8x cheaper per token
Choose Kimi K3
- overall performance matters — it scores 53.3 and ranks #9 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 8 of 8 exact shared results
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Jul 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
31 reported for Hy3 · 31 for Kimi K3
Hy3 outperforms in 0 benchmarks, while Kimi K3 is better at 8 benchmarks (APEX-Agents, BrowseComp, DeepSearchQA, DeepSWE, GPQA, MCP Atlas, Terminal-Bench 2.1, Toolathlon).
Kimi K3 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Hy3 ($0.14/1M tokens) is 20.4x cheaper than Kimi K3 ($2.85/1M tokens).
For output processing, Hy3 ($0.58/1M tokens) is 24.6x cheaper than Kimi K3 ($14.25/1M tokens).
In conclusion, Kimi K3 is more expensive than Hy3.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Kimi K3 has 2505.0B more parameters than Hy3, making it 849.2% larger.
Context Window
Maximum input and output token capacity
Kimi K3 accepts 1,048,576 input tokens compared to Hy3's 262,144 tokens. Kimi K3 can generate longer responses up to 1,048,576 tokens, while Hy3 is limited to 262,144 tokens.
Input capabilities
Documented input modalities across available providers
Kimi K3 supports multimodal inputs, whereas Hy3 does not.
Kimi K3 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Hy3
Kimi K3
License
Usage and distribution terms
Hy3 is licensed under Apache 2.0, while Kimi K3 uses Kimi K3 License.
License differences may affect how you can use these models in commercial or open-source projects.
Apache 2.0
Open weights
Kimi K3 License
Open weights
Release Timeline
When each model was launched
Hy3 was released on 2026-07-06, while Kimi K3 was released on 2026-07-16.
Kimi K3 is 0 month newer than Hy3.
Jul 6, 2026
2 months ago
Jul 16, 2026
1 months ago
1w newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Hy3 is available from DeepInfra. Kimi K3 is available from DeepInfra, Fireworks, Moonshot AI, Novita, Together.
Hy3
Kimi K3
Outputs Comparison
Judge for yourself.
Run your own prompts against Hy3 and Kimi K3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Hy3 vs Kimi K3.