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Tencent: Hy4

tencent/hy4

Model weights
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The official release of Hy4 delivers comprehensive and substantial improvements over Hy4 Preview, with particularly strong gains in agentic capabilities and performance across a wide range of long-horizon, real-world productivity tasks. It also introduces visual understanding for the first time.

Modalities
In / out price
50% off
$0.417 / $1.251per 1M
Context
1.0M
Released
Nov 4, 2026
Compare
ProvidersPricingPerformanceUptimeAppsActivityFAQExplore

Providers

This model is hosted by one provider. OpenRouter forwards every request to it directly — no routing decisions to make.

Pricing

The average price customers actually pay for this model, next to the prices providers post. Caching and discounts mean the price actually paid is often well below the listed one.

Performance

Throughput is how fast the model writes (tokens per second — higher is better). Latency is total round-trip time (lower is better). TTFT is time-to-first-token — how long before you see anything appear (lower is better).

Uptime

Uptime is the percentage of the past 3 days that at least one provider was responding to requests. Availability is the percentage of time that inference was successfully served. OpenRouter continuously monitors and uses the next-best provider when one returns an error.

Apps

Public apps that send the most traffic to this model. Good signal for what real production workloads look like — and a hint at which use cases this model is best suited for.

Activity

Token volume and request traffic to this model over time.

API

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

Not currently available through EU in-region routing. In-region routing docs

Explore more models

AI Models with Vision: Multimodal LLMs for Image UnderstandingCollectionAI Model RankingsRanking
Latency / throughput
50% off
$0.834$0.417$2.501$1.251$0.042$0.0213.09s64 tok/s
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ProviderInput / Output /M
50% offThroughputUptime
  • Favicon for Tencent
    Input $0.417 / Output $1.251
    50% off
    Throughput 64 tok/sUptime --

Frequently asked questions

The official release of Hy4 delivers comprehensive and substantial improvements over Hy4 Preview, with particularly strong gains in agentic capabilities and performance across a wide range of long-horizon, real-world productivity tasks. It also introduces visual understanding for the first time.

Hy4 costs $0.417/M input tokens and $1.251/M output tokens, with separate rates for Cache Read at $0.021/M tokens.

Hy4 has a 1,048,576 token context window. It supports up to 65,536 completion tokens.

Yes. Hy4 accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

Hy4 accepts text and images as input and returns text.

Hy4 preview, Hy-MT2-1.8B, Hy-MT2-30B-A3B and 4 more are other text models from Tencent.

Hy4 was released on November 4, 2026.