Gemini 2.5 Flash-Lite is a lightweight reasoning model in the Gemini 2.5 family, optimized for ultra-low latency and cost efficiency. It offers improved throughput, faster token generation, and better performance across common benchmarks co…
Model details →Google: Gemini 2.5 Flash Lite Preview 09-2025 vs OpenAI: o1
Google: Gemini 2.5 Flash Lite Preview 09-2025 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
The latest and strongest model family from OpenAI, o1 is designed to spend more time thinking before responding. The o1 model series is trained with large-scale reinforcement learning to reason using chain of thought. The o1 models are op…
Model details →Side-by-side comparison
| Capability | Google: Gemini 2.5 Flash Lite Preview 09-2025 | OpenAI: o1 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 200K | 🏆 Google: Gemini 2.5 Flash Lite Preview 09-2025 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.10 | $15.00 | 🏆 Google: Gemini 2.5 Flash Lite Preview 09-2025 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.40 | $60.00 | 🏆 Google: Gemini 2.5 Flash Lite Preview 09-2025 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is Google: Gemini 2.5 Flash Lite Preview 09-2025 better than OpenAI: o1?
Google: Gemini 2.5 Flash Lite Preview 09-2025 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Google: Gemini 2.5 Flash Lite Preview 09-2025 and OpenAI: o1?
Input: $0.10 vs $15.00 per 1M tokens. Output: $0.40 vs $60.00 per 1M tokens.
What context windows do Google: Gemini 2.5 Flash Lite Preview 09-2025 and OpenAI: o1 support?
Google: Gemini 2.5 Flash Lite Preview 09-2025 supports up to 1.0M tokens. OpenAI: o1 supports up to 200K tokens.
Do both Google: Gemini 2.5 Flash Lite Preview 09-2025 and OpenAI: o1 support tool calling?
Google: Gemini 2.5 Flash Lite Preview 09-2025: yes. OpenAI: o1: yes.