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Gemini 3.1 Flash-Lite Preview vs GPT-5.2

Compare Google and OpenAI AI models

Google
Gemini 3.1 Flash-Lite Preview
vs
OpenAI
GPT-5.2

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Gemini 3.1 Flash-Lite Preview

Per Request:$0.001000
Daily:$0.10
Monthly:$3.00
Yearly:$36.50

GPT-5.2

Per Request:$0.008750
Daily:$0.875
Monthly:$26.25
Yearly:$319.375

Cost Differences

+$0.007750
Per Request
+$0.775
Daily
+$23.25
Monthly
+$282.875
Yearly

GPT-5.2 costs more than Gemini 3.1 Flash-Lite Preview

Feature Comparison

FeatureGemini 3.1 Flash-Lite PreviewGPT-5.2
ProviderGoogleOpenAI
Input Price$0.25/1M tokens$1.75/1M tokens
Output Price$1.50/1M tokens$14.00/1M tokens
Context Window1,000,000 tokens1,000,000 tokens
Max Output8,192 tokens131,072 tokens
Categoryefficientflagship
Capabilities
textvisioncode
textvisionaudiocodereasoning
Release Date3/3/202612/11/2025

Gemini 3.1 Flash-Lite Preview vs GPT-5.2: Which Should You Choose?

Choosing between Gemini 3.1 Flash-Lite Preview and GPT-5.2 depends on your priorities: cost efficiency, context length, or raw capability. Gemini 3.1 Flash-Lite Preview is the more affordable option at $0.25/1M input tokens86% cheaper than GPT-5.2.

These models come from different providers — Google and OpenAI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with Google, switching to OpenAIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

These models target different tiers: Gemini 3.1 Flash-Lite Preview is a efficient model while GPT-5.2 is flagship. This means they're optimized for different workloads. GPT-5.2 targets more demanding workloads, while Gemini 3.1 Flash-Lite Preview provides a cost-effective option for everyday tasks.

Output costs matter too. Gemini 3.1 Flash-Lite Preview charges $1.50/1M output tokens vs $14.00 for GPT-5.2. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Gemini 3.1 Flash-Lite Preview has the edge here at $1.50/1M output tokens.

Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.

Best Use Cases

Choose Gemini 3.1 Flash-Lite Preview when:

  • • Budget is a primary concern
  • • You're already using Google's API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Choose GPT-5.2 when:

  • • You need more capabilities (audio, reasoning)
  • • You need longer outputs (up to 131,072 tokens)
  • • You're already using OpenAI's API ecosystem

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Gemini 3.1 Flash-Lite Preview (Google)

GPT-5.2 (OpenAI)

Start using Gemini 3.1 Flash-Lite Preview today

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Start using GPT-5.2 today

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Frequently Asked Questions

Which is cheaper, Gemini 3.1 Flash-Lite Preview or GPT-5.2?
Gemini 3.1 Flash-Lite Preview is cheaper for input tokens at $0.25 per million tokens vs $1.75 for GPT-5.2 — that's 86% savings on input costs.
What is the context window difference between Gemini 3.1 Flash-Lite Preview and GPT-5.2?
Gemini 3.1 Flash-Lite Preview supports 1,000,000 tokens while GPT-5.2 supports 1,000,000 tokens — a difference of 0 tokens in favor of Gemini 3.1 Flash-Lite Preview.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, Gemini 3.1 Flash-Lite Preview is the lower-cost option, while Gemini 3.1 Flash-Lite Preview offers a larger context window (1,000,000 vs 1,000,000 tokens). Choose Gemini 3.1 Flash-Lite Preview for budget sensitivity or Gemini 3.1 Flash-Lite Preview for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, Gemini 3.1 Flash-Lite Preview costs about $3.00/month and GPT-5.2 costs about $26.25/month. Overall, Gemini 3.1 Flash-Lite Preview has lower combined input + output rates ($0.25 in, $1.50 out) vs GPT-5.2.

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