# Hunyuan 3

Hunyuan 3 is a text generation model from Tencent, available through the Impossibl API. Its published context window is 262,144 tokens. The advertised input rate is $0.20 per million input tokens. The advertised output rate is $0.80 per million output tokens.

- Model identifier: ` tencent/hy3 `
- Creator: Tencent
- Model type: Text generation
- Canonical model page: [Hunyuan 3](<https://impossibl.com/tencent/hy3>)
- API availability: Listed as serving through Impossibl.
- Creator release date: 2026-07-06

## Capabilities and limits

- Context window: 262,144 tokens
- Maximum output tokens: Not published in the public catalog; this is separate from the context window.
- Inputs: text
- Outputs: text
- Tool calling: Not published

## API access

Use ` tencent/hy3 ` as the model identifier through the Impossibl API.

Published API endpoints:

- ` /v1/chat/completions `

[API quickstart](<https://impossibl.com/docs/agent-quickstart>) · [Models and billing documentation](<https://impossibl.com/docs/models>)

## Published API prices

All rates are in USD. An unpublished rate is unknown, not zero. Workspace-specific pricing, taxes, balance-purchase fees, billing adjustments, and tool charges can affect the amount paid.

| Usage | Published base rate | Billing unit |
| --- | --- | --- |
| Input | $0.20 | per million input tokens |
| Output | $0.80 | per million output tokens |
| Cache read | $0.05 | per million cached input tokens |
| Cache write (default retention) | Not published | per million tokens |
| Cache write (one-hour retention) | Not published | per million tokens |
| Audio input | Not published | per million audio input tokens |

## Independent benchmarks

Source: [Artificial Analysis](<https://artificialanalysis.ai/>). Last checked: 2026-09-11T12:23:22.823Z.
Configurations are evaluated separately. API scores retain their original units. Unmeasured scores are omitted.

### Hy3

Source: [Evaluation source](<https://artificialanalysis.ai/models/hy3>)

| Benchmark | Score |
| --- | --- |
| Intelligence Index | 25.77 |
| Omniscience Index | -18.47 |
| GPQA | 89.70% |
| Humanity’s Last Exam | 33.46% |
| SciCode | 48.61% |
| CritPt | 4.86% |
| Terminal-Bench v2.1 | 64.42% |
| Terminal-Bench v4.0 | 0.51% |
| AA-LCR | 79.00% |
| GDPval Elo | 1135.96 |
| GDP.pdf All-pass | 11.20% |
| AutomationBench Partial | 18.41% |
| Tau Banking | 22.89% |
| coding index (API) | 58.8 |
| agentic index (API) | 25.6 |
| intelligence index (API) | 25.8 |

Full benchmark data and breakdowns: [Complete benchmark snapshot](<https://api.impossibl.com/v1/models/tencent/hy3/benchmarks>).


## Availability and retirement

The model is listed as serving. No retirement is announced in the current public catalog.

## Frequently asked questions

### What is Hunyuan 3?

Hunyuan 3 is a text-generation model from Tencent, available through the Impossibl API.

### How much does Hunyuan 3 cost?

Hunyuan 3 costs $0.20 per million input tokens and $0.80 per million output tokens through the Impossibl API. Cache reads cost $0.05 per million tokens. All rates are in USD.

### What is the context length of Hunyuan 3?

Hunyuan 3 has a 262,144-token context window through the Impossibl API.

### What inputs and outputs does Hunyuan 3 support?

Hunyuan 3 accepts text as input. Hunyuan 3 returns text.

### How do I use Hunyuan 3 through an API?

Hunyuan 3 is available through the Impossibl API. Use tencent/hy3 as the model identifier with /v1/chat/completions. The quickstart explains how to create an API key and send your first request.

### When was Hunyuan 3 released?

Tencent released Hunyuan 3 on July 6, 2026.

Sources: [Creator release announcement](<https://www.tencent.com/tencent-hunyuan-officially-releases-hy3-advancing-agent-capabilities-and-deeper-product-integration/>)

## Sources and related links

Prices, limits, capabilities, endpoints, and availability come from the public Impossibl catalog. Creator documentation supplies descriptions and release dates where available; it does not override the published API offering.

- [Public Impossibl model catalog](<https://api.impossibl.com/v1/models>)
- [Full model directory as JSON](<https://impossibl.com/models.json>)
- [Hunyuan 3: model details and pricing](<https://impossibl.com/tencent/hy3>)
- [Model directory](<https://impossibl.com/models>)