New Model Available: Hy4

Tencent released Hy4 Preview, a flagship open-source large language model with a 1M-token context window, positioned for long-horizon software engineering, document-intensive office work, game development and scientific research. The model is listed at $0.834 per million input tokens and $2.501 per million output tokens, with reads at 0.042 per million tokens, according to the model listing. Tencent says Hy4 Preview is optimized to reason across complex multi-file context and generate outputs for coding, analysis and research workflows.

Hy4 Preview is Tencent’s flagship open-source large language model, featuring a 1M-token context window and strong gains in long-horizon software engineering, document-intensive office work, game development, and scientific research. Designed for productivity-focused workflows, it is optimized to understand complex multi-file context, reason through difficult tasks, and generate high-quality outputs across coding, analysis, and research scenarios. Back to Models https://zenmux.ai/models Providers Route requests across multiple providers. Copy a provider slug to set your preference. $0.834 / M tokens $2.501 / M tokens Read: 0.042 / M tokens Write: - / M tokens1.05M-- Uptime 24hours Direct request success rate on AI Gateway and per-provider. Throughput 24hours P50 throughput on live AI Gateway traffic, in tokens per second TPS . Latency 24hours P50 time to first token TTFT on live AI Gateway traffic, in milliseconds. Activity Token volume and request traffic to this model over time. Benchmarks Scores on standardized evaluations. Higher percentages are better — and rank percentile shows Metrics sourced from Artificial Analysis https://artificialanalysis.ai/ 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. View All https://zenmux.ai/analytics/apps Related Models More models from Tencent https://zenmux.ai/tencent