Hy3 by Tencent (via OpenRouter)

295B MoE open-weight model (21B active, 192 experts). GPQA Diamond 90.4, SWE-bench Verified 78.0. Apache 2.0.

How to use Hy3

295B open-weight model from Tencent, free for ~2 weeks on OpenRouter. Top GPQA Diamond (90.4) and SWE-bench Verified (78.0). OpenAI-compatible via OpenRouter.

Quickstart

Frequently asked

Is Hy3 free?

Yes. Tencent (via OpenRouter) offers it as Free API tier with these limits: Free for ~2 weeks from 2026-07-07 via OpenRouter (tencent/hy3:free); standard OpenRouter rate limits apply. No credit card is required.

Can I use Hy3 commercially?

Yes, commercial use is allowed under the Apache-2.0 license. Verify the current license or terms before shipping.

How do I start using Hy3?

Get a free API key from the provider dashboard. Set the base URL to https://openrouter.ai/api/v1 and the model to tencent/hy3:free. 295B open-weight model from Tencent, free for ~2 weeks on OpenRouter. Top GPQA Diamond (90.4) and SWE-bench Verified (78.0). OpenAI-compatible via OpenRouter.

Building with this model?

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