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GPT 6.1 Sol Pro vs Qwen3.5 Flash (02-23)

At a glance

OpenAI's GPT-6.1 Sol served in pro reasoning mode for the hardest problems.

1.1M ctx$2.00/$10.00 per M

Ultra-fast Qwen3.5 variant with 1M-token context at rock-bottom pricing.

1M ctx$0.07/$0.26 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
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper97%
Specs
1.1M
Context
128K
Max output
Sep 2026
Released
1M
Context
66K
Max output
Feb 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 search$0.01/search
Live pricing, shown before you run
Input97%$0.07/M tokens
Output97%$0.26/M tokens
Chat with GPT 6.1 Sol ProGo to model
Chat with Qwen3.5 Flash (02-23)Go to model
Frequently Asked Questions: GPT 6.1 Sol Pro vs Qwen3.5 Flash (02-23)▼

Which is better, GPT 6.1 Sol Pro or Qwen3.5 Flash (02-23)?

▼

Both GPT 6.1 Sol Pro and Qwen3.5 Flash (02-23) 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 Pro or Qwen3.5 Flash (02-23)?

▼

Qwen3.5 Flash (02-23) has a lower blended cost. GPT 6.1 Sol Pro: $2.00 input / $10.00 output. Qwen3.5 Flash (02-23): $0.07 input / $0.26 output.

Which has a larger context window, GPT 6.1 Sol Pro or Qwen3.5 Flash (02-23)?

▼

GPT 6.1 Sol Pro has a larger context window: GPT 6.1 Sol Pro supports 1.1M tokens vs Qwen3.5 Flash (02-23) at 1M tokens.

Do both GPT 6.1 Sol Pro and Qwen3.5 Flash (02-23) support vision?

▼

Yes, both GPT 6.1 Sol Pro and Qwen3.5 Flash (02-23) support vision/image input.

What are the key differences between GPT 6.1 Sol Pro and Qwen3.5 Flash (02-23)?

▼

Key differences: Qwen3.5 Flash (02-23) 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 Pro and Qwen3.5 Flash (02-23) for free on idapt.app to see which performs better for your specific needs.

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