Z.ai · open weights
GLM 5.3 Flash API pricing by provider
GLM 5.3 Flash is available from 33 providers. The cheapest is Relace at $0.0413 input / $0.0758 output per 1M tokens. Z.ai’s own API charges $0.15 / $0.50, 79% more than the cheapest host. The priciest host, Morph, charges 56.9x the cheapest.
Prices from the OpenRouter API, retrieved October 26, 2026. Weights: zai-org/GLM-5.3-Flash.
| Provider | Precision | Input / 1M | Output / 1M | Document Q&A / month | Context | Max output |
|---|---|---|---|---|---|---|
| Relace | — | $0.0413 | $0.0758 | $18.79 | 1.05M | 131K |
| StreamLake | fp8 | $0.0435 | $0.145 | $21.75 | 1.02M | 128K |
| Wafer | nvfp4 | $0.054 | $0.20 | $27.60 | 1.05M | 131K |
| OpenInference | fp4 | $0.1237 | $0.01 | $49.78 | 1.05M | 944K |
| GMICloud | fp8 | $0.075 | $0.25 | $37.50 | 1.05M | 944K |
| Sail Research | fp4 | $0.0784 | $0.25 | $38.86 | 1.05M | 131K |
| Novita | fp8 | $0.084 | $0.28 | $42.00 | 1.05M | 131K |
| Near AI | fp8 | $0.08 | $0.50 | $47.00 | 1.05M | 944K |
| CoreWeave | nvfp4 | $0.12 | $0.38 | $59.40 | 1.05M | 944K |
| InferenceNet | fp4 | $0.12 | $0.388 | $59.64 | 1.05M | 262K |
| Phala | nvfp4 | $0.1275 | $0.425 | $63.75 | 1.05M | 131K |
| DigitalOcean | — | $0.1312 | $0.4375 | $65.61 | 1.05M | 131K |
| NextBit | fp4 | $0.125 | $0.50 | $65.00 | 1.05M | 128K |
| Makora | — | $0.14 | $0.47 | $70.10 | 1.05M | 131K |
| Mistral | — | $0.15 | $0.50 | $75.00 | 1.05M | 131K |
| Cohere | — | $0.15 | $0.50 | $75.00 | 1.05M | 131K |
| PrimeIntellect | — | $0.15 | $0.50 | $75.00 | 1.05M | 131K |
| Nebius | fp4 | $0.15 | $0.50 | $75.00 | 1.02M | 922K |
| Modal | nvfp4 | $0.15 | $0.50 | $75.00 | 1.05M | 944K |
| BaseTen | fp8 | $0.15 | $0.50 | $75.00 | 1.05M | 131K |
| Crusoe | fp4 | $0.15 | $0.50 | $75.00 | 1.05M | 944K |
| AtlasCloud | fp8 | $0.15 | $0.50 | $75.00 | 1.05M | 131K |
| Fireworks | — | $0.15 | $0.50 | $75.00 | 1.05M | 944K |
| Friendli | — | $0.15 | $0.50 | $75.00 | 1.05M | 944K |
| SiliconFlow | fp8 | $0.15 | $0.50 | $75.00 | 1.05M | 262K |
| Together | — | $0.15 | $0.50 | $75.00 | 1.05M | 944K |
| Parasail | fp4 | $0.15 | $0.50 | $75.00 | 1.05M | 944K |
| Venice | — | $0.15 | $0.50 | $75.00 | 1.05M | 131K |
| DeepInfra | fp4 | $0.15 | $0.50 | $75.00 | 1.05M | 944K |
| Z.AIcreator | fp8 | $0.15 | $0.50 | $75.00 | 1.05M | 131K |
| Inceptron | fp8 | $0.17 | $0.60 | $86.00 | 1.05M | 944K |
| Fireworks | — | $0.225 | $0.75 | $112.50 | 1.05M | 944K |
| Reka | — | $0.15 | $2.40 | $132.00 | 1.05M | 944K |
| Morph | fp8 | $3.572 | $0.65 | $1,448 | 1.05M | 944K |
Sorted by blended price (3 input : 1 output). Document Q&A assumes 50,000 questions a month with 8,000 input and 600 output tokens each. Precision is reported by the provider; “—” means not disclosed.
Frequently asked questions
- What is the cheapest GLM 5.3 Flash API provider?
- Relace is the cheapest healthy provider we track at $0.0413 per 1M input tokens and $0.0758 per 1M output tokens.
- How much does GLM 5.3 Flash cost?
- Across 33 providers, input prices range from $0.0413 to $3.572 per 1M tokens and output prices from $0.01 to $2.40.
- What is GLM 5.3 Flash’s context window?
- GLM 5.3 Flash supports up to 1.05M tokens, but some providers serve a smaller context window — check the table before choosing.
Other open-weight models
- DeepSeek V4.1 Flashfrom $0.09 / $0.25
- DeepSeek V4 Pro 0813from $0.132 / $0.396
- Kimi K3from $0.17 / $7.697
- GLM 5.3from $0.0699 / $1.40
- Qwen3.8 27Bfrom $0.02 / $0.50
- MiniMax M3from $0.224 / $0.88
- gpt-oss-120bfrom $0.03 / $0.15
- gpt-oss-20bfrom $0.018 / $0.09
- Llama 4 Maverickfrom $0.1875 / $0.6525
- Llama 3.3 70B Instructfrom $0.10 / $0.32
- Gemma 4 31Bfrom $0.10 / $0.34
- Mistral Small 4from $0.15 / $0.60
- Nemotron 3 Superfrom $0.085 / $0.40