Claude Haiku 5.5 vs Hy3
Claude Haiku 5.5 leads the LLM Stats Score 49.9 to 42.5. Claude Haiku 5.5 is 1.3x cheaper per token.
Anthropic · Tencent · Updated for 2026
Which is better?
Claude Haiku 5.5 leads the overall LLM Stats Score 49.9 to 42.5, ranking #20 overall.
In the 3 individual benchmarks reported for both models, Claude Haiku 5.5 wins 2; this is a narrower head-to-head signal than the composite indexes.
On price, Claude Haiku 5.5 is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Haiku 5.5 also accepts a larger context window (1,000,000 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 Claude Haiku 5.5
- overall performance matters — it scores 49.9 and ranks #20 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 3 exact shared results
- cost matters — it's about 1.3x cheaper per token
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped Oct 2026
Choose Hy3
- 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
36 reported for Claude Haiku 5.5 · 31 for Hy3
Claude Haiku 5.5 outperforms in 2 benchmarks (SWE-bench Multilingual, SWE-Bench Pro), while Hy3 is better at 1 benchmark (Humanity's Last Exam (no tools, text-only)).
Claude Haiku 5.5 shows notably better performance in the majority of benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Haiku 5.5 ($0.10/1M tokens) is 1.4x cheaper than Hy3 ($0.14/1M tokens).
For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 1.2x cheaper than Hy3 ($0.58/1M tokens).
In conclusion, Hy3 is more expensive than Claude Haiku 5.5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Haiku 5.5 accepts 1,000,000 input tokens compared to Hy3's 262,144 tokens. Hy3 can generate longer responses up to 262,144 tokens, while Claude Haiku 5.5 is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Claude Haiku 5.5 supports multimodal inputs, whereas Hy3 does not.
Claude Haiku 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Haiku 5.5
Hy3
License
Usage and distribution terms
Claude Haiku 5.5 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
Claude Haiku 5.5 was released on 2026-10-07, while Hy3 was released on 2026-07-06.
Claude Haiku 5.5 is 3 months newer than Hy3.
Oct 7, 2026
2 weeks ago
3mo newerJul 6, 2026
3 months ago
Knowledge Cutoff
When training data ends
Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Hy3's cutoff date is not specified.
We can confirm Claude Haiku 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without Hy3's cutoff date.
Jun 2026
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Provider Availability
Claude Haiku 5.5 is available from Anthropic. Hy3 is available from DeepInfra.
Claude Haiku 5.5
Hy3
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Haiku 5.5 and Hy3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Haiku 5.5 vs Hy3.