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GPT 6.1 Sol vs Gemini 3.8 Flash

At a glance

OpenAI's upgraded high-end GPT-6.1 tier, positioned below the flagship GPT 6 Astra.

1.1M ctx$2.00/$10.00 per M

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
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
Reasoning & Knowledge
Graduate Science95.4%Factual Recall6%73.9%
Math
Competition Math1%100.0%
Reasoning
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-10-02
Cheaper63%
Reasoning & Knowledge
Graduate Science95.4%Factual Recall69.7%
Math
Competition Math98.9%
Specs
1.1M
Context
128K
Max output
Sep 2026
Released
1.0M
Context
66K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$2.00/M tokens
Output$10.00/M tokens
Cache read$0.10/M tokens
Cache write$2.50/M tokens
Web search29%$0.01/search
Live pricing, shown before you run
Input63%$0.75/M tokens
Output63%$3.75/M tokens
Reasoning$3.75/M tokens
Cache read25%$0.07/M tokens
Cache write98%$0.04/M tokens
Image input$0.75/M tokens
Audio input$0.75/M tokens
Web search$0.01/search
Chat with GPT 6.1 SolGo to model
Chat with Gemini 3.8 FlashGo to model
Frequently Asked Questions: GPT 6.1 Sol vs Gemini 3.8 Flash▼

Which is better, GPT 6.1 Sol or Gemini 3.8 Flash?

▼

Both GPT 6.1 Sol and Gemini 3.8 Flash 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 6.1 Sol or Gemini 3.8 Flash?

▼

Gemini 3.8 Flash has a lower blended cost. GPT 6.1 Sol: $2.00 input / $10.00 output. Gemini 3.8 Flash: $0.75 input / $3.75 output.

Which has a larger context window, GPT 6.1 Sol or Gemini 3.8 Flash?

▼

GPT 6.1 Sol has a larger context window: GPT 6.1 Sol supports 1.1M tokens vs Gemini 3.8 Flash at 1M tokens.

Do both GPT 6.1 Sol and Gemini 3.8 Flash support vision?

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Yes, both GPT 6.1 Sol and Gemini 3.8 Flash support vision/image input.

What are the key differences between GPT 6.1 Sol and Gemini 3.8 Flash?

▼

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 GPT 6.1 Sol and Gemini 3.8 Flash for free on idapt.app to see which performs better for your specific needs.

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