Kimi K3 vs Aion-3.0
Kimi K3 is 1.3× cheaper than Aion-3.0 on a blended basis. Kimi K3 has the larger context window at 1.0M tokens.
Side by side
Green marks the better value in each row where a comparison is meaningful.
| Attribute | Kimi K3 | Aion-3.0 |
|---|---|---|
| Provider | Moonshot AI | AionLabs |
| Input / 1M tokens | $0.239 | $3.00 |
| Output / 1M tokens | $10.80 | $6.00 |
| Blended / 1M tokens | $2.88 | $3.75 |
| Cached input / 1M | $0.210 | $0.750 |
| Context window | 1.0M | 131K |
| Max output | 944K | 33K |
| Input modalities | text, image, video | text |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | Yes | Yes |
| Prompt caching | Yes | Yes |
| Open weights | Yes | No |
| Knowledge cutoff | - | - |
| Released | July 16, 2026 | July 7, 2026 |
Frequently asked
Is Kimi K3 or Aion-3.0 cheaper?
Kimi K3 is 1.3× cheaper than Aion-3.0 on a blended basis.
What is the price difference between Kimi K3 and Aion-3.0?
Kimi K3 costs $0.239 per million input tokens and $10.80 per million output tokens. Aion-3.0 costs $3.00 and $6.00 respectively.
Which has the larger context window, Kimi K3 or Aion-3.0?
Kimi K3, at 1.0M tokens versus 131K.