token.app › Compare › o3 (batch) vs Kimi K3
o3 (batch) vs Kimi K3
o3 (batch) is 3.4× cheaper per token on a blended 3:1 basis. Kimi K3 accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| o3 (batch) | Kimi K3 | |
|---|---|---|
| Provider | OpenAI | Moonshot AI |
| Input $/1M | $1.00 | $3.00 |
| Output $/1M | $4.00 | $15.00 |
| Blended $/1M | $1.75 | $6.00 |
| Context window | 200K | 1.0M |
| Max output | 100K | — |
| Released | Apr 2025 | Jul 2026 |
| Licence | Proprietary | Open weights |
Choose o3 (batch) if…
- Costs less per token — $1.75 vs $6.00 blended
Choose Kimi K3 if…
- Larger context window (1.0M)
- Open weights — self-hostable
- Newer model (released Jul 2026)
FAQ
Which is better, o3 (batch) or Kimi K3?
We do not hold independently-run benchmark scores covering both o3 (batch) and Kimi K3, so we make no quality claim. Their pricing and specifications are compared on this page.
Is o3 (batch) cheaper than Kimi K3?
o3 (batch) is cheaper: $1.75 versus $6.00 per million tokens blended at 3:1 input:output. Input alone: $1.00 vs $3.00. Output alone: $4.00 vs $15.00.
What context windows do o3 (batch) and Kimi K3 have?
o3 (batch): 200,000 tokens. Kimi K3: 1,048,576 tokens.
Who makes o3 (batch) and Kimi K3?
o3 (batch) is made by OpenAI. Kimi K3 is made by Moonshot AI.