GLM 5.3 Flash is Z.ai's native multimodal model with a 1M-token context window, built on hybrid sparse and linear attention architecture for efficient inference.
- Strengths
- Handles coding tasks and long-horizon agent workflows efficiently through its optimized attention architecture and native multimodal capabilities.
- Best for
- Extended document processing and agent-based applications that benefit from the large context window and fast inference speed.
- Limitations
- Superseded by GLM 5.3 FlashX (released 2026-09), which offers higher speed as Z.ai's dedicated high-speed variant.
Input / 1M
$0.15
Output / 1M
$0.5
Cached input / 1M
$0.03
Context window
1.05M
Price history
Input (solid)Output (dashed)
Price change
- 30d
- in increased 233.3% out increased 257.1%
- 90d
- in increased 100.0% out increased 100.0%
- 1y
- in increased 100.0% out increased 100.0%
- Since launch
- in increased 100.0% out increased 100.0%
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 24 Oct 2026 | $0.15 | $0.5 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 23 Oct 2026 | $0.15 | $0.5 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 22 Oct 2026 | $0.0052 | $0.1985 | $0.0052 | Imported from OpenRouter | openrouter.ai |
| 21 Oct 2026 | $0.15 | $0.5 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 20 Oct 2026 | $0.048 | $0.12 | $0.006 | Imported from OpenRouter | openrouter.ai |
| 19 Oct 2026 | $0.048 | $0.16 | $0.006 | Imported from OpenRouter | openrouter.ai |
| 18 Oct 2026 | $0.048 | $0.2 | $0.006 | Imported from OpenRouter | openrouter.ai |
| 17 Oct 2026 | $0.15 | $0.5 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 16 Oct 2026 | $0.0134 | $0.8192 | $0.0125 | Imported from OpenRouter | openrouter.ai |
| 15 Oct 2026 | $0.15 | $0.5 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 14 Oct 2026 | $0.15 | $0.5 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 13 Oct 2026 | $0.0261 | $0.9 | $0.0108 | Imported from OpenRouter | openrouter.ai |
| 12 Oct 2026 | $0.0232 | $1.20 | $0.0232 | Imported from OpenRouter | openrouter.ai |
| 28 Sep 2026 | $0.15 | $0.5 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 27 Sep 2026 | $0.045 | $0.14 | $0.01 | Imported from OpenRouter | openrouter.ai |
| 26 Sep 2026 | $0.04 | $0.5 | $0.015 | Imported from OpenRouter | openrouter.ai |
| 25 Sep 2026 | $0.045 | $0.14 | $0.01 | Imported from OpenRouter | openrouter.ai |
| 22 Sep 2026 | $0.15 | $0.5 | $0.05 | Imported from OpenRouter | openrouter.ai |
| 21 Sep 2026 | $0.075 | $0.25 | $0.02 | Imported from OpenRouter | openrouter.ai |
| 17 Sep 2026 | $0.09 | $0.3 | $0.018 | Imported from OpenRouter | openrouter.ai |
| 16 Sep 2026 | $0.09 | $0.3 | $0.018 | Imported from OpenRouter | openrouter.ai |
| 15 Sep 2026 | $0.075 | $0.25 | $0.015 | Imported from OpenRouter | openrouter.ai |
| 12 Sep 2026 | $0.15 | $0.5 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 10 Sep 2026 | $0.15 | $0.5 | $0.03 | Imported from OpenRouter | openrouter.ai |
| 26 Aug 2026 | $0.075 | $0.25 | $0.015 | Imported from OpenRouter | openrouter.ai |