GLM 5.3 Flash pricing
Source: openrouter · updated 2026-10-28
Short answer: GLM 5.3 Flash costs $0.046 per million input tokens and $0.074 per million output tokens. That is a 3:1 blended rate of $0.053 per million tokens, ranking it #58 of 713 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $0.046 |
| Output, per 1M tokens | $0.074 |
| Output รท input multiple | 1.60× |
| 3:1 blended, per 1M tokens | $0.053 |
| Context window | 1,048,576 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $0.046 | $0.018 | $0.065 |
|---|---|---|---|
| 10M in / 2.5M out | $0.462 | $0.184 | $0.646 |
| 100M in / 25M out | $4.62 | $1.84 | $6.46 |
Other z-ai models
| Model | Input | Output |
|---|---|---|
| GLM 5.2 | $0.034 | $7.00 |
| GLM 4.7 Flash | $0.060 | $0.400 |
| GLM 5.3 | $0.070 | $1.40 |
| GLM 4.5 Air | $0.130 | $0.850 |
| GLM 4.6 V | $0.300 | $0.900 |
Compare against
Cheaper alternatives
Next cheaper option: Llama 3.2.3 B at $0.040 per 1M input tokens. Next step up: Qwen 3.7 Flash at $0.030 per 1M input tokens.