Model Comparison
GPT-5.5 Instant vs Hy3Which is better in 2026?
Hy3 significantly outperforms across most benchmarks.
Verdict: GPT-5.5 Instant vs Hy3 — which is better?
GPT-5.5 Instant (by OpenAI) and Hy3 (by Tencent) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
GPT-5.5 Instant outperforms in 0 benchmarks, while Hy3 is better at 1 benchmark (GPQA). Hy3 significantly outperforms across most benchmarks.
Choose GPT-5.5 Instant if…
- you want predictable pricing at $5.00/M input and $30.00/M output
Choose Hy3 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Jul 2026
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.5 Instant outperforms in 0 benchmarks, while Hy3 is better at 1 benchmark (GPQA).
Hy3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Context Window
Maximum input and output token capacity
Only GPT-5.5 Instant specifies input context (400,000 tokens). Only GPT-5.5 Instant specifies output context (128,000 tokens).
Input Capabilities
Supported data types and modalities
GPT-5.5 Instant supports multimodal inputs, whereas Hy3 does not.
GPT-5.5 Instant can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.5 Instant
Hy3
License
Usage and distribution terms
GPT-5.5 Instant 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
GPT-5.5 Instant was released on 2026-05-05, while Hy3 was released on 2026-07-06.
Hy3 is 2 months newer than GPT-5.5 Instant.
May 5, 2026
2 months ago
Jul 6, 2026
1 weeks ago
2mo newerKnowledge Cutoff
When training data ends
GPT-5.5 Instant has a documented knowledge cutoff of 2025-08-31, while Hy3's cutoff date is not specified.
We can confirm GPT-5.5 Instant's training data extends to 2025-08-31, but cannot make a direct comparison without Hy3's cutoff date.
Aug 2025
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Outputs Comparison
Key Takeaways
Hy3
View detailsTencent
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against GPT-5.5 Instant and Hy3 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about GPT-5.5 Instant vs Hy3.