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...
Model details →Google: Gemini 2.5 Flash Lite (batch) vs xAI: Grok 4.1 Fast
Google: Gemini 2.5 Flash Lite (batch) wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window. Reasoning can be enabled/disabled using the `reasoning` `enabled` parameter in the API. …
Model details →Side-by-side comparison
| Capability | Google: Gemini 2.5 Flash Lite (batch) | xAI: Grok 4.1 Fast | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 1.0M | 2M | 🏆 xAI: Grok 4.1 Fast |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.05 | $0.20 | 🏆 Google: Gemini 2.5 Flash Lite (batch) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.20 | $0.50 | 🏆 Google: Gemini 2.5 Flash Lite (batch) |
| 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 (batch) better than xAI: Grok 4.1 Fast?
Google: Gemini 2.5 Flash Lite (batch) wins on 2 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 (batch) and xAI: Grok 4.1 Fast?
Input: $0.05 vs $0.20 per 1M tokens. Output: $0.20 vs $0.50 per 1M tokens.
What context windows do Google: Gemini 2.5 Flash Lite (batch) and xAI: Grok 4.1 Fast support?
Google: Gemini 2.5 Flash Lite (batch) supports up to 1.0M tokens. xAI: Grok 4.1 Fast supports up to 2M tokens.
Do both Google: Gemini 2.5 Flash Lite (batch) and xAI: Grok 4.1 Fast support tool calling?
Google: Gemini 2.5 Flash Lite (batch): yes. xAI: Grok 4.1 Fast: yes.
Compare Google: Gemini 2.5 Flash Lite (batch) with other models
vs Anthropic Claude Haiku Latestvs Anthropic Claude Sonnet Latestvs Anthropic: Claude Fable Latestvs Anthropic: Claude Opus Latest