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GPT 6 Luna vs Gemini 3.5 Flash-Lite

At a glance

OpenAI's fastest, most affordable GPT-6 tier for high-volume, latency-sensitive work.

1.1M ctx$0.10/$0.50 per M

Google's high-efficiency model for focused subagent work and multi-agent workflows.

1.0M ctx$0.30/$2.50 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Cheaper76%
Reasoning & Knowledge
Graduate Science9%90.5%Factual Recall41.4%
Math
Competition Math39%98.9%
Agentic
Novel Reasoning477%59.3%
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Reasoning & Knowledge
Graduate Science83.3%Factual Recall—
Math
Competition Math71.1%
Agentic
Novel Reasoning10.3%
Specs
1.1M
Context
128K
Max output
Sep 2026
Released
1.0M
Context
66K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input67%$0.10/M tokens
Output80%$0.50/M tokens
Cache read67%$0.01/M tokens
Cache write$0.13/M tokens
Web search29%$0.01/search
Live pricing, shown before you run
Input$0.30/M tokens
Output$2.50/M tokens
Reasoning$2.50/M tokens
Cache read$0.03/M tokens
Cache write33%$0.08/M tokens
Image input$0.30/M tokens
Audio input$0.30/M tokens
Web search$0.01/search
Chat with GPT 6 LunaGo to model
Chat with Gemini 3.5 Flash-LiteGo to model
Frequently Asked Questions: GPT 6 Luna vs Gemini 3.5 Flash-Lite▼

Which is better, GPT 6 Luna or Gemini 3.5 Flash-Lite?

▼

Both GPT 6 Luna and Gemini 3.5 Flash-Lite 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, GPT 6 Luna or Gemini 3.5 Flash-Lite?

▼

GPT 6 Luna has a lower blended cost. GPT 6 Luna: $0.10 input / $0.50 output. Gemini 3.5 Flash-Lite: $0.30 input / $2.50 output.

Which has a larger context window, GPT 6 Luna or Gemini 3.5 Flash-Lite?

▼

GPT 6 Luna has a larger context window: GPT 6 Luna supports 1.1M tokens vs Gemini 3.5 Flash-Lite at 1M tokens.

Do both GPT 6 Luna and Gemini 3.5 Flash-Lite support vision?

▼

Yes, both GPT 6 Luna and Gemini 3.5 Flash-Lite support vision/image input.

What are the key differences between GPT 6 Luna and Gemini 3.5 Flash-Lite?

▼

Key differences: GPT 6 Luna 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 GPT 6 Luna and Gemini 3.5 Flash-Lite for free on idapt.app to see which performs better for your specific needs.

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