Grok 4.5 vs Hy3
Grok 4.5 and Hy3 are closely matched at 44.9 and 43.0 on the LLM Stats Score. Hy3 is 12.0x cheaper per token.
xAI · Tencent · Updated for 2026
Which is better?
Grok 4.5 and Hy3 are closely matched on the overall LLM Stats Score at 44.9 and 43.0.
In the 4 individual benchmarks reported for both models, Grok 4.5 wins 4; this is a narrower head-to-head signal than the composite indexes.
On price, Hy3 is roughly 12.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Grok 4.5 also accepts a larger context window (500,000 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 Grok 4.5
- you value its reported benchmark strengths — it wins 4 of 4 exact shared results
- you process long inputs — it offers a 500,000 token context window
- you want the most recent training data — it shipped Jul 2026
Choose Hy3
- cost matters — it's about 12.0x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
15 reported for Grok 4.5 · 31 for Hy3
Grok 4.5 outperforms in 4 benchmarks (DeepSWE, GPQA, SWE-Bench Pro, Terminal-Bench 2.1), while Hy3 is better at 0 benchmarks.
Grok 4.5 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, Grok 4.5 ($2.00/1M tokens) is 14.3x more expensive than Hy3 ($0.14/1M tokens).
For output processing, Grok 4.5 ($6.00/1M tokens) is 10.3x more expensive than Hy3 ($0.58/1M tokens).
In conclusion, Grok 4.5 is more expensive than Hy3.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Grok 4.5 accepts 500,000 input tokens compared to Hy3's 262,144 tokens. Only Hy3 specifies output context (262,144 tokens).
Input capabilities
Documented input modalities across available providers
Grok 4.5 supports multimodal inputs, whereas Hy3 does not.
Grok 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Grok 4.5
Hy3
License
Usage and distribution terms
Grok 4.5 is licensed under a proprietary license, while Hy3 uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
Grok 4.5 was released on 2026-07-16, while Hy3 was released on 2026-07-06.
Grok 4.5 is 0 month newer than Hy3.
Jul 16, 2026
2 months ago
1w newerJul 6, 2026
2 months ago
Knowledge Cutoff
When training data ends
Grok 4.5 has a documented knowledge cutoff of 2026-02-01, while Hy3's cutoff date is not specified.
We can confirm Grok 4.5's training data extends to 2026-02-01, but cannot make a direct comparison without Hy3's cutoff date.
Feb 2026
—
Provider Availability
Grok 4.5 is available from xAI. Hy3 is available from DeepInfra.
Grok 4.5
Hy3
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok 4.5 and Hy3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok 4.5 vs Hy3.