token.app › Compare › o1-pro vs Gemini 3.5 Flash Lite
o1-pro vs Gemini 3.5 Flash Lite
Gemini 3.5 Flash Lite is 309× cheaper per token on a blended 3:1 basis. Gemini 3.5 Flash Lite accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| o1-pro | Gemini 3.5 Flash Lite | |
|---|---|---|
| Provider | OpenAI | |
| Input $/1M | $150.00 | $0.300 |
| Output $/1M | $600.00 | $2.50 |
| Blended $/1M | $262.50 | $0.850 |
| Context window | 200K | 1.0M |
| Max output | 100K | 66K |
| Released | Mar 2025 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose o1-pro if…
- No clear advantage on the data we hold.
Choose Gemini 3.5 Flash Lite if…
- Costs less per token — $0.850 vs $262.50 blended
- Larger context window (1.0M)
- Newer model (released Jul 2026)
FAQ
Which is better, o1-pro or Gemini 3.5 Flash Lite?
We do not hold independently-run benchmark scores covering both o1-pro and Gemini 3.5 Flash Lite, so we make no quality claim. Their pricing and specifications are compared on this page.
Is o1-pro cheaper than Gemini 3.5 Flash Lite?
Gemini 3.5 Flash Lite is cheaper: $0.850 versus $262.50 per million tokens blended at 3:1 input:output. Input alone: $150.00 vs $0.300. Output alone: $600.00 vs $2.50.
What context windows do o1-pro and Gemini 3.5 Flash Lite have?
o1-pro: 200,000 tokens. Gemini 3.5 Flash Lite: 1,048,576 tokens.
Who makes o1-pro and Gemini 3.5 Flash Lite?
o1-pro is made by OpenAI. Gemini 3.5 Flash Lite is made by Google.