Hy3 preview
Tencent Hy reasoning model for coding, instruction following, and agent tasks.
- Capability
- —No ECI score yet
- Input
- $0.176per 1M tokens
- Output
- $0.586per 1M tokens
- Context
- 256K64K max output
What it costs
- Input
- $0.176per million tokens
- Output
- $0.586per million tokens
- Blended (3:1)
- $0.279cheaper than 72% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.645 |
| Team assistant25M input + 5M output tokens | $7.33 |
| Production app250M input + 50M output tokens | $73.30 |
Median of 4 paid API providers on models.dev; Tencent also offers it free on Tencent TokenHub.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Hy3 preview yet.
The details
- Lab
- Tencent
- Released
- Apr 20, 2026
- Context window
- 256,000 tokens
- Max output
- 64,000 tokens
- Inputs
- Text
- Output
- Text
- Reasoning
- Adjustable effort low · medium · high
- Tool calling
- Yes
- Structured output
- No
- Weights
- Open weights
- API model ID
hy3-previewon Tencent TokenHub- Availability
- 5 API providerslisted on models.dev
What Tencent claims
Published by the lab at launch. Settings vary, so compare these only with care.
| Benchmark | Score | Setting | Source |
|---|---|---|---|
| SWE-Bench Verified | 74.4 resolved | — | Source |
More from Tencent
About Hy3 preview
How much does Hy3 preview cost?
Hy3 preview costs $0.176 input / $0.586 output per million tokens (median across 4 API providers; free on Tencent TokenHub). At a 3:1 input-to-output mix that is $0.279 per million tokens, cheaper than 72% of the 360 priced models we track.
What is the context window of Hy3 preview?
Hy3 preview accepts up to 256,000 tokens per request and can write up to 64,000 tokens in one response.
How good is Hy3 preview?
Epoch AI has not published a Capabilities Index score for Hy3 preview yet.
Is Hy3 preview open source?
Yes. Tencent publishes the weights, so it can be downloaded and self-hosted.
What inputs does Hy3 preview support?
Hy3 preview accepts text and replies in text. It is a reasoning model with low, medium and high effort settings, supports tool calling.
When was Hy3 preview released?
Tencent released Hy3 preview on Apr 20, 2026.
What are the best alternatives to Hy3 preview?
The closest current models from other labs on capability, price and release date are Mistral Small 4 (Mistral AI, $0.15 / $0.60), Nemotron 3 Super 120B A12B (NVIDIA, $0.20 / $0.80), Mercury Edit 2 (Inception, $0.25 / $0.75) and Trinity Large Thinking (Arcee AI, $0.25 / $0.80).