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Gemini 3.1 Flash Lite vs GPT 5.6 Terra

At a glance
GoogleGemini 3.1 Flash Lite

Google's high-efficiency model for high-volume use cases at half the cost of Gemini 3 Flash.

771.0M ctx$0.25/$1.50 per M#37/92
OpenAIGPT 5.6 Terra

OpenAI's balanced GPT-5.6 tier — GPT-5.5-class quality for everyday work at half the price.

1.1M ctx$2.50/$15.00 per M
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
GoogleGemini 3.1 Flash Lite
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI76.7
Reasoning & Knowledge
Graduate Science—Expert-Level8.6%
Agentic
Terminal Tasks—
OpenAIGPT 5.6 Terra
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-11
Capability
Capability—
Reasoning & Knowledge
Graduate Science92.9%Expert-Level—
Agentic
Terminal Tasks87.4%
Specs
GoogleGemini 3.1 Flash Lite
1.0M
Context
66K
Max output
Mar 2026
Released
OpenAIGPT 5.6 Terra
1.1M
Context
128K
Max output
Jul 2026
Released
Capabilities
GoogleGemini 3.1 Flash Lite
Vision
Audio
Reasoning
OpenAIGPT 5.6 Terra
Vision
Audio
Reasoning
Pricing
GoogleGemini 3.1 Flash Lite
Live pricing, shown before you run
Input$0.25/M tokens
Output$1.50/M tokens
Reasoning$1.50/M tokens
Cache read$0.02/M tokens
Cache write$0.08/M tokens
Image input$0.25/M tokens
Audio input$0.50/M tokens
Web search$0.01/search
OpenAIGPT 5.6 Terra
Live pricing, shown before you run
Input$2.50/M tokens
Output$15.00/M tokens
Cache read$0.25/M tokens
Web search$0.01/search
Chat with Gemini 3.1 Flash LiteGo to model
Chat with GPT 5.6 TerraGo to model
Frequently Asked Questions: Gemini 3.1 Flash Lite vs GPT 5.6 Terra▼

Which is better, Gemini 3.1 Flash Lite or GPT 5.6 Terra?

▼

Both Gemini 3.1 Flash Lite and GPT 5.6 Terra are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Gemini 3.1 Flash Lite or GPT 5.6 Terra?

▼

Gemini 3.1 Flash Lite has a lower blended cost. Gemini 3.1 Flash Lite: $0.25 input / $1.50 output. GPT 5.6 Terra: $2.50 input / $15.00 output.

Which has a larger context window, Gemini 3.1 Flash Lite or GPT 5.6 Terra?

▼

GPT 5.6 Terra has a larger context window: Gemini 3.1 Flash Lite supports 1M tokens vs GPT 5.6 Terra at 1.1M tokens.

Do both Gemini 3.1 Flash Lite and GPT 5.6 Terra support vision?

▼

Yes, both Gemini 3.1 Flash Lite and GPT 5.6 Terra support vision/image input.

What are the key differences between Gemini 3.1 Flash Lite and GPT 5.6 Terra?

▼

Key differences: Gemini 3.1 Flash Lite is significantly cheaper. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Gemini 3.1 Flash Lite and GPT 5.6 Terra for free on idapt.app to see which performs better for your specific needs.

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