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Model

Hy3 preview (free)

Tencent Hy3 preview (free) — pricing, 262k context window, API cost calculator and alternatives.

By Tencent

🔧 Tools Function calling — the model can structure responses as tool calls with typed arguments. Reliability differs between providers. Glossary →
Context window Maximum tokens (input + output) the model can process in a single request. Glossary →
262,144
tokens
Input price What the model charges for tokens you send (prompt + context). Glossary →
$0.0000
per 1M tokens
Output price What the model charges for tokens it generates. Usually 3–5× pricier than input. Glossary →
$0.0000
per 1M tokens

Specs

Provider
Tencent
Slug
tencent/hy3-preview-free
Capabilities
tools

Pricing freshness

Tier
standard
Currency
USD
As of
2026-05-08 17:08 UTC
Estimate monthly cost → See alternatives to Hy3 preview (free) →

Pricing history

Tracking Hy3 preview (free) pricing since 2026-05-08. We'll plot the chart here once it changes.

Quickstart — call Hy3 preview (free) from your app

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -d '{
    "model": "tencent/hy3-preview-free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Official docs: https://openrouter.ai/docs

Related models

Similar capabilities, context window, and price tier — drawn from across the catalog so you can compare alternatives in one click.

Frequently asked questions

What is Hy3 preview (free)?

Hy3 preview (free) is a large language model API from Tencent with a 262k-token context window. It costs $0 per 1M input tokens and $0 per 1M output tokens.

How much does Hy3 preview (free) cost?

Hy3 preview (free) is priced at $0 per 1M input tokens and $0 per 1M output tokens via the Tencent API. A 50/50 input/output workload of 1M total tokens costs about $0.

What is the context window of Hy3 preview (free)?

Hy3 preview (free) supports up to 262k tokens of context per request — roughly 524 pages of English text or 32768 lines of code at a typical density.

Does Hy3 preview (free) support vision, tool use, or JSON mode?

Hy3 preview (free) supports tool/function calling. It does not support image input (vision) and structured JSON mode.

Who makes Hy3 preview (free)?

Hy3 preview (free) is built and operated by Tencent. Pricing, context window, and capabilities on this page are refreshed nightly from Tencent's public catalog.

Can I self-host Hy3 preview (free)?

Hy3 preview (free) is API-only — its weights are not publicly distributed by Tencent, so it cannot be self-hosted today.

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