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Gemini 3.5 Flash-Lite vs GPT 5.2 Codex

At a glance

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

1.0M ctx$0.30/$2.50 per M

Optimized for software engineering and coding workflows.

400K ctx$1.75/$14.00 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
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper82%
Agentic
Terminal Tasks—
Reasoning
CodingInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-07-10
Agentic
Terminal Tasks66.5%
Specs
1.0M
Context
66K
Max output
Jul 2026
Released
400K
Context
128K
Max output
Jan 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input83%$0.30/M tokens
Output82%$2.50/M tokens
Reasoning$2.50/M tokens
Cache read83%$0.03/M tokens
Cache write$0.08/M tokens
Image input$0.30/M tokens
Audio input$0.30/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$1.75/M tokens
Output$14.00/M tokens
Cache read$0.17/M tokens
Web search29%$0.01/search
Chat with Gemini 3.5 Flash-LiteGo to model
Chat with GPT 5.2 CodexGo to model
Frequently Asked Questions: Gemini 3.5 Flash-Lite vs GPT 5.2 Codex▼

Which is better, Gemini 3.5 Flash-Lite or GPT 5.2 Codex?

▼

Both Gemini 3.5 Flash-Lite and GPT 5.2 Codex 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 3.5 Flash-Lite or GPT 5.2 Codex?

▼

Gemini 3.5 Flash-Lite has a lower blended cost. Gemini 3.5 Flash-Lite: $0.30 input / $2.50 output. GPT 5.2 Codex: $1.75 input / $14.00 output.

Which has a larger context window, Gemini 3.5 Flash-Lite or GPT 5.2 Codex?

▼

Gemini 3.5 Flash-Lite has a larger context window: Gemini 3.5 Flash-Lite supports 1M tokens vs GPT 5.2 Codex at 400K tokens.

Do both Gemini 3.5 Flash-Lite and GPT 5.2 Codex support vision?

▼

Yes, both Gemini 3.5 Flash-Lite and GPT 5.2 Codex support vision/image input.

What are the key differences between Gemini 3.5 Flash-Lite and GPT 5.2 Codex?

▼

Key differences: Gemini 3.5 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 3.5 Flash-Lite and GPT 5.2 Codex for free on idapt.app to see which performs better for your specific needs.

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