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Tencent · Released Apr 20, 2026

Hy3 preview

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

  • Open weights
  • Reasoning
  • Tool calling
Capability
—No ECI score yet
Input
$0.176per 1M tokens
Output
$0.586per 1M tokens
Context
256K64K max output
Pricing

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 usageEstimated 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.

Capability

Independent benchmarks

Epoch AI has not published a Capabilities Index score for Hy3 preview yet.

Specifications

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
API model ID
hy3-previewon Tencent TokenHub
Availability
5 API providerslisted on models.dev

Tencent TokenHub model documentation

Lab-reported

What Tencent claims

Published by the lab at launch. Settings vary, so compare these only with care.

BenchmarkScoreSettingSource
SWE-Bench Verified74.4 resolved—Source
Same lab

More from Tencent

Questions

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).