Skip to main content
idapt
HomeCodeAI ModelsPricing
Sign inStart free
  • Home
  • Pricing
  • AI Models
  • Image models
  • Voice models
  • Video models
  • Rankings
  • New models
  • Model status
  • Multi-Model Chat
  • Agents
  • Computers
  • Drive
  • Automations
  • AI Gateway
  • All features →
  • LLM cost calculator
  • Token counter
  • All free tools →
  • Blog
  • Use cases
  • Comparisons
  • Best of
  • Benchmarks
  • Demos
  • Changelog
  • Help center
  • FAQ
  • Privacy
  • Compare all models
  • Support
  • idapt Code
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Downloads
  • Desktop
  • Badges and embeds
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)

Gemini 3.8 Flash vs GPT 5.6 Sol

At a glance

Google's most intelligent Flash model, with significant gains over 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.

1.0M ctx$0.75/$3.75 per M

OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.

1.1M ctx$5.00/$30.00 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
Cheaper87%
Reasoning & Knowledge
Graduate Science—
Agentic
Terminal Tasks—
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-11
Reasoning & Knowledge
Graduate Science94.6%
Agentic
Terminal Tasks88.8%
Specs
1.0M
Context
66K
Max output
Sep 2026
Released
1.1M
Context
128K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input85%$0.75/M tokens
Output88%$3.75/M tokens
Reasoning$3.75/M tokens
Cache read85%$0.07/M tokens
Cache write99%$0.04/M tokens
Image input$0.75/M tokens
Audio input$0.75/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$5.00/M tokens
Output$30.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/M tokens
Web search29%$0.01/search
Chat with Gemini 3.8 FlashGo to model
Chat with GPT 5.6 SolGo to model
Frequently Asked Questions: Gemini 3.8 Flash vs GPT 5.6 Sol▼

Which is better, Gemini 3.8 Flash or GPT 5.6 Sol?

▼

Both Gemini 3.8 Flash and GPT 5.6 Sol 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 3.8 Flash or GPT 5.6 Sol?

▼

Gemini 3.8 Flash has a lower blended cost. Gemini 3.8 Flash: $0.75 input / $3.75 output. GPT 5.6 Sol: $5.00 input / $30.00 output.

Which has a larger context window, Gemini 3.8 Flash or GPT 5.6 Sol?

▼

GPT 5.6 Sol has a larger context window: Gemini 3.8 Flash supports 1M tokens vs GPT 5.6 Sol at 1.1M tokens.

Do both Gemini 3.8 Flash and GPT 5.6 Sol support vision?

▼

Yes, both Gemini 3.8 Flash and GPT 5.6 Sol support vision/image input.

What are the key differences between Gemini 3.8 Flash and GPT 5.6 Sol?

▼

Key differences: Gemini 3.8 Flash 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 3.8 Flash and GPT 5.6 Sol for free on idapt.app to see which performs better for your specific needs.

Open in App