GLM 5.3 Flash: price, context, what it takes
GLM 5.3 Flash from Z.ai, as OpenRouter's public list names it: z-ai/glm-5.3-flash. Read 2026-11-06.
Prices are OpenRouter's, in US dollars. For most models that is the vendor's own list price; a vendor selling direct can differ.
- Input, per 1M tokens$0.150
- Output, per 1M tokens$0.500
- Cached input, per 1M tokens$0.0300
- Context window1,048,576 tokens
- Longest answer943,717 tokens
- Takestext, images, video
- Givestext
- Acceptsreasoning, JSON schema, tools
- Released2026-08-26
- In the list since2026-10-28
- Knows tool prices13.3% right, 14.7% wrong (2026-10-27)
- 2026-11-04 - 2026-11-06: input $0.150, output $0.500
- 2026-11-04 - 2026-11-04: input $0.0269, output $0.0996
- 2026-11-04 - 2026-11-04: input $0.0313, output $0.0846
- 2026-11-03 - 2026-11-03: input $0.0330, output $0.242
- 2026-11-03 - 2026-11-03: input $0.0313, output $0.0846
- 2026-11-01 - 2026-11-03: input $0.0285, output $0.0923
- 2026-11-01 - 2026-11-01: input $0.0163, output $0.182
- 2026-11-01 - 2026-11-01: input $0.0143, output $0.0184
- 2026-10-31 - 2026-10-31: input $0.0163, output $0.148
- 2026-10-31 - 2026-10-31: input $0.0163, output $0.140
- 2026-10-31 - 2026-10-31: input $0.0216, output $0.124
- 2026-10-30 - 2026-10-30: input $0.0180, output $0.140
- 2026-10-30 - 2026-10-30: input $0.150, output $0.500
- 2026-10-30 - 2026-10-30: input $0.0457, output $0.0701
- 2026-10-30 - 2026-10-30: input $0.0481, output $0.146
- 2026-10-29 - 2026-10-29: input $0.150, output $0.500
- 2026-10-29 - 2026-10-29: input $0.0457, output $0.0742
- 2026-10-29 - 2026-10-29: input $0.0379, output $0.0798
- 2026-10-28 - 2026-10-28: input $0.150, output $0.500
| Model | Input, 1M | Output, 1M | Context | Accepts |
|---|---|---|---|---|
| GLM 4.5 | $0.600 | $2.20 | 131K | reasoning · tools |
| GLM 4.5 Air | $0.130 | $0.850 | 131K | reasoning · tools |
| GLM 4.5V | $0.600 | $1.80 | 66K | reasoning · tools |
| GLM 4.6 | $0.500 | $2.00 | 205K | reasoning · JSON schema · tools |
| GLM 4.6V | $0.300 | $0.900 | 131K | reasoning · tools |
| GLM 4.7 | $0.600 | $2.20 | 205K | reasoning · JSON schema · tools |
| GLM 4.7 Flash | $0.0605 | $0.400 | 200K | reasoning · JSON schema · tools |
| GLM 5 | $1.00 | $3.20 | 205K | reasoning · JSON schema · tools |
| GLM 5.1 | $1.40 | $4.40 | 205K | reasoning · JSON schema · tools |
| GLM 5.2 | $0.00600 | $6.80 | 1.05M | reasoning · JSON schema · tools |
| GLM 5.3 | $0.0699 | $1.40 | 1.05M | reasoning · JSON schema · tools |
| GLM 5.3 FlashX | $0.370 | $1.25 | 1.05M | reasoning · tools |
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