Hy3
Summary
Hy3 is an open-weight language model from Tencent (Hunyuan), released on 6 Jul 2026. It accepts text and generates text, with a 262K-token context window and up to 128K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.08 per million input tokens and $0.33 per million output tokens (OpenRouter), across 5 providers we track.
Tencent Hy reasoning model for coding, instruction following, and agent tasks
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Tencent (Hunyuan) |
|---|---|
| Release date | 6 Jul 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Open weights [Hugging Face] |
| License | apache-2.0 [Hugging Face] |
| Parameters | 299B [Hugging Face] |
| Context window | 262K (262,144 tokens) [models.dev] |
| Max output | 128K tokens [models.dev] |
| Input | Text [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
| Hugging Face | tencent/Hy3 [Hugging Face] |
Hy3 API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| OpenRouter tencent/hy3 | $0.08 | $0.33 | $0.02 | 262K | OpenRouter, 4 Oct 2026 |
| DeepInfra tencent/Hy3 | $0.13 | $0.53 | $0.03 | 262K | models.dev, 4 Oct 2026 |
| SiliconFlow tencent/Hy3 | $0.13 | $0.53 | $0.03 | 262K | models.dev, 4 Oct 2026 |
| Hugging Face Inference Providers tencent/Hy3 | $0.14 | $0.58 | – | 262K | models.dev, 4 Oct 2026 |
| Vercel AI Gateway tencent/hy3 | $0.14 | $0.58 | $0.04 | 262K | models.dev, 4 Oct 2026 |
Frequently asked questions
What is the context window of Hy3?
Hy3 has a context window of 262,144 tokens (262K) and can generate up to 128,000 tokens in a single response, according to models.dev.
How much does the Hy3 API cost?
Hy3 is listed from $0.08 per million input tokens and $0.33 per million output tokens (OpenRouter). Prices last verified 4 Oct 2026.
Is Hy3 open source?
Hy3 is an open-weight model: its weights are published on Hugging Face as tencent/Hy3 under the apache-2.0 license. Check the license terms before commercial use.
When was Hy3 released?
Tencent (Hunyuan) released Hy3 on 6 Jul 2026, according to models.dev.
Which providers offer Hy3?
We track Hy3 on 5 providers: OpenRouter, DeepInfra, SiliconFlow, Hugging Face Inference Providers, Vercel AI Gateway.
Change history
- OpenRouter price changed: input $0.13 → $0.08, output $0.53 → $0.33 per 1M tokens
Sources
- https://openrouter.ai/tencent/hy3
- https://github.com/sst/models.dev/blob/dev/providers/deepinfra/models/tencent/Hy3.toml
- https://huggingface.co/tencent/Hy3
- https://github.com/sst/models.dev/blob/dev/providers/siliconflow/models/tencent/Hy3.toml
- https://github.com/sst/models.dev/blob/dev/providers/huggingface/models/tencent/Hy3.toml
- https://github.com/sst/models.dev/blob/dev/providers/vercel/models/tencent/hy3.toml