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 vs OpenAI: GPT-5 Image
Google: Gemini 2.5 Flash Lite wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
[GPT-5](https://openrouter.ai/openai/gpt-5) Image combines OpenAI's GPT-5 model with state-of-the-art image generation capabilities. It offers major improvements in reasoning, code quality, and user experience while incorporating GPT Image …
Model details →Side-by-side comparison
| Capability | Google: Gemini 2.5 Flash Lite | OpenAI: GPT-5 Image | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 400K | 🏆 Google: Gemini 2.5 Flash Lite |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.10 | $10.00 | 🏆 Google: Gemini 2.5 Flash Lite |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.40 | $10.00 | 🏆 Google: Gemini 2.5 Flash Lite |
| 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 better than OpenAI: GPT-5 Image?
Google: Gemini 2.5 Flash Lite 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 and OpenAI: GPT-5 Image?
Input: $0.10 vs $10.00 per 1M tokens. Output: $0.40 vs $10.00 per 1M tokens.
What context windows do Google: Gemini 2.5 Flash Lite and OpenAI: GPT-5 Image support?
Google: Gemini 2.5 Flash Lite supports up to 1.0M tokens. OpenAI: GPT-5 Image supports up to 400K tokens.
Do both Google: Gemini 2.5 Flash Lite and OpenAI: GPT-5 Image support tool calling?
Google: Gemini 2.5 Flash Lite: yes. OpenAI: GPT-5 Image: yes.