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Hy3 preview API status on OpenCode Zen

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Catalog metadata matched Reasoning models.dev metadata

Tencent Hy reasoning model for coding, instruction following, and agent tasks

Check providerOpenAI compatibleReasoningTool callingReasoning
API Details

Copy-ready connection details

Use these values in your client or SDK.
Base URL
https://opencode.ai/zen/v1
Model ID
hy3-free
API format OpenAI Chat Completions
Technical Details

Hy3 preview specifications

Provider and model catalog
Context window 256K
Max output 64K
Status Check provider
Family Hy
Released Apr 20, 2026
Last updated Apr 20, 2026
Free listing since Jul 10, 2026
Input text
Output text
Capabilities reasoning, tool calling, temperature control
Open weights Yes

External benchmark references

Benchmark Score Metric Date
SWE-Bench Verified 74.4 resolved Not listed
AI Recommendation

Should you use Hy3 preview?

Hy3 preview is listed for chat workloads and supports a 256K context window.

Check OpenCode Zen's current endpoint status before integrating this listing. Use the alternatives table if the provider listing is unavailable.

Best for
  • Chat
Strengths & Weaknesses

Strengths

  • Long context window
  • Reasoning mode listed
  • Tool calling support
  • Open weights available

Watch outs

  • Current endpoint availability needs provider confirmation
  • Vision support is not listed
Pricing

Hy3 preview pricing per 1M tokens

Check provider
Input $0 per 1M tokens
Output $0 per 1M tokens
Free access Check provider OpenCode Zen
Availability

Hy3 preview availability by provider

Current provider only

We only found this Hy3 preview listing on OpenCode Zen in the current catalog. Use the related models section for nearby alternatives.

Provider Model listing Access Context API Limits
OpenCode Zen Hy3 preview Check provider 256K Native Varies
View OpenCode Zen setup guide →
Typical Use Cases

Hy3 preview use cases

Chat

Hy3 preview is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

Hy3 preview free API FAQ

Is Hy3 preview free to use?

Hy3 preview appears in the free model catalog for OpenCode Zen, but its current endpoint availability should be confirmed with the provider before use.

What is the Hy3 preview model ID?

The model ID shown in this catalog is hy3-free.

What context window does Hy3 preview support?

The listed context window is 256K tokens with up to 64K output tokens.

More about Hy3 preview

Free Hy3 preview API.

For API keys, setup steps, and provider-level limits, see the OpenCode Zen provider page.