GLM 5.3 FlashX Pricing
FastZhipu AI · 1M tokens context
GLM 5.3 FlashX from Zhipu AI costs $0.370 per 1 million input tokens and $1.25 per 1 million output tokens as of September 2026 (live OpenRouter data). The model supports a 1,048,576-token context window (approximately 786,432 words) with a 131K-token maximum output. A typical 1,000-token request costs $0.0004 in input charges; a 10,000-token request costs $0.0037.
| Input price | $0.370 / 1M tokens |
|---|---|
| Output price | $1.25 / 1M tokens |
| Output / input ratio | 3.4× |
| Context window | 1,048,576 tokens (~786,432 words) |
| Maximum output | 131,072 tokens |
| Cost per 1K tokens (input) | $0.0004 |
| Tier | Fast |
| Last verified |
GLM-5.3-FlashX is the high-speed variant of Z. ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s.
Input Price
$0.370
per 1 million tokens
Output Price
$1.25
per 1 million tokens
Context Window
1M tokens
max 131K output
Cost Examples
| Request Type | Tokens | Input Cost | Output Cost |
|---|---|---|---|
| 1,000 word article | 1,333 | $0.000493 | $0.0005 |
| 10-page document (2,500 words) | 3,333 | $0.00123 | $0.00125 |
| 1,000 lines of code | 5,000 | $0.00185 | $0.00187 |
| 100K token document | 100,000 | $0.037 | $0.0375 |
Output cost estimated at 30% of input token count. Use the calculator for exact figures.
Strengths
- ✓Affordable at $0.37/1M input tokens
- ✓Massive 1M-token context window
- ✓Low latency for high-throughput workloads
- ✓Multimodal: understands images as well as text
Limitations
- –Less capable than flagship models on complex reasoning
- –Quality and availability can vary by hosting provider
Best Use Cases
Calculate GLM 5.3 FlashX Costs
Use the TokenRate calculator to convert any budget, token count, or text into exact GLM 5.3 FlashX costs — and compare across all models.
Open Calculator →GLM 5.3 FlashX — FAQ
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