Tencent Hy4 preview

Hy4 preview by Tencent excels in the Coding category, where it ranks #203 with a composite score of 40/100. Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that... It is particularly strong in areas highlighted by its top benchmark performance and adoption metrics, making it suitable for both individual developers and enterprise teams looking for a reliable coding solution.

Hy4 preview is priced at $0.83 per million input tokens and $2.50 per million output tokens (USD). Contact the provider for volume discounts and enterprise pricing. Pricing is competitive within the coding category and reflects the model's quality-to-cost ratio.

In the Coding category, Hy4 preview holds rank #203 out of 360 models tracked. Its quality rank is #203 and adoption rank is #203. You can use our comparison tool at /compare to see detailed side-by-side metrics with specific alternatives. Key differentiators include its composite scoring across benchmarks, community sentiment, and real-world adoption rates.

Hy4 preview has been evaluated across 5 different signals. Its strongest areas include Capabilities (67/100), Pricing (98/100), Context Window (96/100). These scores are derived from industry-standard benchmarks, community ratings, and real-world performance metrics. The composite score of 40/100 reflects a weighted combination of all tracked signals.

Hy4 preview is a paid model, though some providers may offer trial credits or limited free tiers for evaluation. Check Tencent's website for current free tier availability and promotional offers.

Hy4 preview supports a 1,049K token context window (1,048,576 tokens total). That translates to roughly 786,432 words in a single prompt. This is large enough to process entire codebases, research papers, or long conversation histories in one shot.

Hy4 preview can generate up to 64K output tokens (64,000 tokens) per response. That is roughly 48,000 words. This is enough for generating complete code files, detailed reports, or long-form content in a single response.

Hy4 preview supports function/tool calling, structured JSON output, extended reasoning/chain-of-thought, streaming responses. Function calling lets you integrate it with external APIs and tools programmatically. These capabilities determine which workflows and integrations the model can handle natively.

Hy4 preview was developed by Tencent. It was released on August 28, 2026. You can access it through Tencent's API. Check our provider page for all models from Tencent and how they compare against each other.

Pick Hy4 preview when you need a budget-friendly option for high-volume, simpler tasks where you prioritize cost over peak performance. If your task is straightforward text completion or classification, a cheaper model might give you 90% of the quality at a fraction of the price. Run a quick benchmark on your actual use case before committing.

You can access Hy4 preview through Tencent's API using standard HTTP requests or their official SDK. Most providers support OpenAI-compatible endpoints, so switching between models often requires changing just the model name in your API call. Streaming is supported for real-time token-by-token output. For production use, implement proper error handling, rate limiting, and cost monitoring.