Model pricing
Input/output in USD per million tokens.
Moonshot AI
| Model | Model ID | Context | Formal Engines |
|---|---|---|---|
| Kimi K3 | kimi-k3 | 1M | $2.10/$10.50 |
Z.ai
| Model | Model ID | Context | Formal Engines |
|---|---|---|---|
| GLM 4.5 | glm-4-5 | 128K | $0.420/$1.54 |
| GLM 4.5 Air | glm-4-5-air | 128K | $0.090/$0.590 |
| GLM 4.6 | glm-4-6 | 198K | $0.380/$1.54 |
| GLM 4.7 | glm-4-7 | 128K | $0.280/$1.22 |
| GLM 4.7 Flash | glm-4-7-flash | 198K | $0.040/$0.280 |
| GLM 5 | glm-5 | 198K | $0.420/$1.34 |
| GLM-5 Turbo | glm-5-turbo | 200K | $0.840/$2.80 |
| GLM 5.1 | glm-5-1 | 200K | $0.670/$2.12 |
| GLM 5.2 | glm-5-2 | 1M | $0.670/$2.12 |
| GLM 5.3 | glm-5-3 | 1M | $0.980/$3.08 |
| GLM 5.3 Flash | glm-5-3-flash | 1M | $0.050/$0.170 |
| GLM 5.3 AbliteratedFixed rate; no additional discounts. Cached input: $0.200/M tokens. | glm-5.3-abliterated | 1M | $1.60/$2.70 |
| GLM 5.3 Flash AbliteratedFixed rate; no additional discounts. Cached input: $0.100/M tokens. | glm-5.3-flash-abliterated | 1M | $0.200/$0.750 |
DeepSeek
| Model | Model ID | Context | Formal Engines |
|---|---|---|---|
| DeepSeek V3.2 | deepseek-v3-2 | 128K | $0.180/$0.280 |
| DeepSeek V4 Flash | deepseek-v4-flash | 1M | $0.060/$0.120 |
| DeepSeek V4 Flash 0731 | deepseek-v4-flash-0731 | 1M | $0.040/$0.120 |
| DeepSeek V4.1 Flash | deepseek-v4-1-flash | 1M | $0.210/$0.840 |
| DeepSeek V4 Pro | deepseek-v4-pro | 1M | $0.730/$1.45 |
| DeepSeek V4 Pro 0813 | deepseek-v4-pro-0813 | 1M | $0.780/$2.34 |
| DeepSeek V4 Flash Vision Exp | deepseek-v4-flash-vision-exp | 1M | $0.264/$0.792 |
| DeepSeek V4.1 Flash AbliteratedFixed rate; no additional discounts. Cached input: $0.050/M tokens. | deepseek-v4.1-flash-abliterated | 1M | $0.200/$0.800 |
Uncensored
| Model | Model ID | Context | Formal Engines |
|---|---|---|---|
| uncensored | uncensored | 128K | $0.140/$0.630 |
| uncensored-role-play | uncensored-role-play | 128K | $0.350/$1.40 |
Point any client at one base URL.
OpenAI clients
Cursor, Cline, Kilo Code, aider, LangChain, the OpenAI SDK.
OPENAI_BASE_URL=https://formalengines.com/inference/v1
OPENAI_API_KEY=fe_live_your_keyClaude Code, OpenClaw
Anything speaking the Anthropic Messages API.
ANTHROPIC_BASE_URL=https://formalengines.com/inference
ANTHROPIC_API_KEY=fe_live_your_keyThen use the model ID from the table above. Credit is prepaid and there is no minimum commitment; a key takes about a minute.
Get an API key