OpenAI's GPT-5.6 flagship — built for complex reasoning, agentic coding, and long-running professional work.
Fast and accurate with enhanced coding and tool use capabilities.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 5.6 Sol and Claude 3.5 Haiku 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.
Claude 3.5 Haiku has a lower blended cost. GPT 5.6 Sol: $5.00 input / $30.00 output. Claude 3.5 Haiku: $0.80 input / $4.00 output.
GPT 5.6 Sol has a larger context window: GPT 5.6 Sol supports 1.1M tokens vs Claude 3.5 Haiku at 200K tokens.
Yes, both GPT 5.6 Sol and Claude 3.5 Haiku support vision/image input.
Key differences: Claude 3.5 Haiku is significantly cheaper; only GPT 5.6 Sol offers extended reasoning mode. Compare full specs on this page.
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 5.6 Sol and Claude 3.5 Haiku for free on idapt.app to see which performs better for your specific needs.