Gemini 3.1 Flash Lite vs GPT-4.1
A side-by-side comparison of two multimodal models — real specs, pricing, strengths and weaknesses, and a clear verdict on which to choose. Kept current by our agents.
Quick verdict: which should you choose?
Choose Gemini 3.1 Flash Lite if you need
- ✓high output speed and low latency for real-time multimodal tasks
- ✓lowest price per million tokens at $1.5 with 1M+ context
- ✓resource-efficient inference on text, image, and video
- ✓higher intelligence index of 33.5 in a lightweight package
Choose GPT-4.1 if you need
- ✓strong reasoning drawn from the OpenAI GPT lineage
- ✓flexible processing of images, text, and files together
- ✓very large context window near 1M tokens
- ✓multimodal inputs where closed-source OpenAI models are mandated
Verdict
Gemini 3.1 Flash Lite leads on intelligence index (33.5 vs 26.3), output speed (310.24 t/s vs 129.94 t/s), and price ($1.5/M vs $8/M) while matching GPT-4.1's million-token context. GPT-4.1 emphasizes its GPT-lineage reasoning and file handling but trails on every measured metric. Gemini wins for efficiency-focused multimodal workloads; GPT-4.1 only appeals when specific OpenAI strengths are required despite the higher cost.
Gemini 3.1 Flash Lite vs GPT-4.1: side by side
| Spec | Gemini 3.1 Flash Lite | GPT-4.1 | Winner |
|---|---|---|---|
| Intelligence | 33.5 | 26.3 | Gemini 3.1 Flash Lite |
| Output speed | 310 t/s | 130 t/s | Gemini 3.1 Flash Lite |
| Output price | $1.50/1M | $8.00/1M | Gemini 3.1 Flash Lite |
| Context | 1049K | 1048K | Gemini 3.1 Flash Lite |
| Params | — | — | Tie |
| Type | Proprietary | Proprietary | Tie |
| Provider | OpenAI | Tie |
Detailed analysis
Intelligence
Winner: Gemini 3.1 Flash LiteGemini 3.1 Flash Lite scores 33.5 on the intelligence index compared with GPT-4.1's 26.3. This edge holds even though GPT-4.1 highlights its GPT-lineage reasoning. The data shows Gemini ahead on the single quantitative intelligence measure provided.
Speed
Winner: Gemini 3.1 Flash LiteGemini 3.1 Flash Lite delivers 310.24 tokens per second versus GPT-4.1's 129.94 t/s. Its listed strengths explicitly include high speed and low latency. GPT-4.1 shows no compensating speed advantage in the facts.
Pricing
Winner: Gemini 3.1 Flash LiteGemini 3.1 Flash Lite costs $1.5 per million tokens while GPT-4.1 costs $8 per million. The price gap is more than fivefold. GPT-4.1's limitation note on high compute cost for full context aligns with this difference.
Context Window
Winner: TieBoth models support roughly one million tokens: 1,048,576 for Gemini 3.1 Flash Lite and 1,047,576 for GPT-4.1. Strengths for both list very large context windows. No meaningful difference exists on this dimension.
Gemini 3.1 Flash Lite
Pros
- +High speed and low latency
- +Handles very large context windows
- +Broad modality support in a lightweight package
- +Resource-efficient inference
Cons
- –Reduced depth on highly complex reasoning tasks
- –Lite design trades peak capability for speed
- –May require more guidance on nuanced or creative outputs
GPT-4.1
Pros
- +Handles very large context windows
- +Processes images, text, and files together
- +Strong reasoning from OpenAI GPT lineage
- +Flexible multimodal inputs
Cons
- –Closed-source with no public weights
- –May hallucinate on complex tasks
- –High compute cost for full context
Summary: Gemini 3.1 Flash Lite vs GPT-4.1
Choose Gemini 3.1 Flash Lite when speed, cost, and measured intelligence matter most for multimodal work. Select GPT-4.1 only if its specific GPT-lineage reasoning or file-handling traits outweigh the measured deficits in speed, price, and intelligence index.
Frequently asked questions
Gemini 3.1 Flash Lite is better on the provided metrics: higher intelligence index, more than double the speed, and over five times lower price with nearly identical context.