Hy4 preview vs GLM-5.3
Hy4 preview is from Tencent, released August 28, 2026. GLM-5.3 is from Zhipu AI, released August 18, 2026.
- Input per 1M$0.834 vs $1.40. Hy4 preview costs 40% less per million input tokens.
- Output per 1M$2.501 vs $4.40. Hy4 preview costs 43% less per million output tokens.
- Context window1M vs 1M. Both hold 1M tokens of context.
Prices are the vendors’ published API rates; Elo is LMArena’s text board. Each figure is dated on its model page.
Interactive Comparison
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$0.834 / $2.501 per million tokens | $1.40 / $4.40 per million tokens | |
|---|---|---|
| Identity | ||
| Developer | Tencent | Zhipu AI |
| Released | Aug 2026 | Aug 2026 |
| Status | Preview | GA |
| Licence | Apache 2.0 (open weights) | GLM-5.3 License (custom: MIT-style terms plus a security-review clause for MaaS providers above $10B revenue); weights on Hugging Face, zai-org/GLM-5.3 |
| Self-hostable | Yes — tencent/Hy4-preview on Hugging Face | Yes - weights published on Hugging Face |
| Cost | ||
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $1.251 / 1M tokens | $2.150 / 1M tokens |
| Input price | $0.834 / 1M tokens | $1.400 / 1M tokens |
| Output price | $2.501 / 1M tokens | $4.400 / 1M tokens |
| Cached input | $0.042 / 1M tokens | $0.26 / 1M tokens |
| Batch discount | — | Not offered; GLM Coding Plan applies a 50% off-peak points reduction |
| Free tier | — | Not offered |
| Capacity | ||
| Context window | 1M tokens | 1M tokens |
| Max output | 64K tokens | 128k tokens |
| Long-context surcharge | — | Not published |
| Capability | ||
| Vision in | — | No — text-only input |
| Audio in | — | No |
| Function calling | Yes | Yes |
| Structured output | Yes | Yes |
| Extended reasoning | Yes — deep reasoning | Yes — always on, three effort levels (low, high, max) |
| Web search | — | Not documented |
| Code execution | — | Not documented |
| Access | ||
| API | Yes — Tencent Cloud TokenHub (hy4-preview) | Yes |
| Chat app | — | Yes |
| Cloud marketplaces | — | Not offered |
| Fine-tuning | — | Not offered |
| Measured quality | ||
| LMArena Elo | — | 1481 (checked Oct 2026) |
| LMArena rank | — | Rank 26 |
| GPQA Diamond | — | 91 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | — | 689 |
