Cheapest LLM APIs, Ranked by Price
Every LLM API on A2Agent, cheapest first by blended price (input and output weighted 3:1).
Struck-through is the vendorâs official price. Bold is what your API key pays.
| Model | Platform | Context | Input /1M | Output /1M | Discount |
|---|---|---|---|---|---|
| DeepSeek V4 Flash Cheapest overall | DeepSeek | 1M |
|
| -40% |
| MiniMax M3.1 Flash Cheapest for coding Cheapest vision | MiniMax | 1M |
|
| -50% |
| GLM-5.3 Flash | Z.ai | 1M |
|
| -30% |
| DeepSeek V4.1 Flash | DeepSeek | 1M |
|
| -40% |
| Qwen3.8 Flash | Qwen | 1M |
|
| -10% |
| Qwen3.7 Flash | Qwen | 1M |
|
| -30% |
| MiniMax M3 | MiniMax | 1M |
|
| -50% |
| Qwen3.6 Flash | Qwen | 1M |
|
| -30% |
| DeepSeek V4 Pro | DeepSeek | 1M |
|
| -40% |
| Qwen3.5 Plus | Qwen | 1M |
|
| -30% |
| Kimi K2.5 | Moonshot | 256K |
|
| -30% |
| GLM-5 | Z.ai | 200K |
|
| -40% |
| GLM-5.1 | Z.ai | 200K |
|
| -40% |
| Kimi K2.7 Code | Moonshot | 256K |
|
| -30% |
| GLM-5.2 | Z.ai | 1M |
|
| -40% |
| GLM-5.3 | Z.ai | 1M |
|
| -40% |
| Qwen3.7 Plus | Qwen | 1M |
|
| -20% |
| Qwen3.7 MAX | Qwen | 1M |
|
| -20% |
| Qwen3.8 MAX | Qwen | 1M |
|
| -10% |
| Kimi K3 | Moonshot | 1M |
|
| -20% |
USD per 1M tokens. Final billing depends on your API key group and metered usage.
Where to start in each family
DeepSeek API
Start on Flash, the cheap line. Pro costs more, and a spec sheet wonât tell you whether itâs worth it. Run your own prompts and move up when Flash keeps getting them wrong.