GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
Model details →OpenAI: GPT-5 Nano (batch) vs Tencent: Hy3 preview
OpenAI: GPT-5 Nano (batch) wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
Hy3 preview is a high-efficiency Mixture-of-Experts model from Tencent designed for agentic workflows and production use. It supports configurable reasoning levels across disabled, low, and high modes, allowing it to...
Model details →Side-by-side comparison
| Capability | OpenAI: GPT-5 Nano (batch) | Tencent: Hy3 preview | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 400K | 262K | 🏆 OpenAI: GPT-5 Nano (batch) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.03 | $0.18 | 🏆 OpenAI: GPT-5 Nano (batch) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.20 | $0.60 | 🏆 OpenAI: GPT-5 Nano (batch) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | — | 🏆 OpenAI: GPT-5 Nano (batch) |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is OpenAI: GPT-5 Nano (batch) better than Tencent: Hy3 preview?
OpenAI: GPT-5 Nano (batch) wins on 4 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between OpenAI: GPT-5 Nano (batch) and Tencent: Hy3 preview?
Input: $0.03 vs $0.18 per 1M tokens. Output: $0.20 vs $0.60 per 1M tokens.
What context windows do OpenAI: GPT-5 Nano (batch) and Tencent: Hy3 preview support?
OpenAI: GPT-5 Nano (batch) supports up to 400K tokens. Tencent: Hy3 preview supports up to 262K tokens.
Do both OpenAI: GPT-5 Nano (batch) and Tencent: Hy3 preview support tool calling?
OpenAI: GPT-5 Nano (batch): yes. Tencent: Hy3 preview: yes.