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Claude Haiku 5.5 vs GPT 6 Sol Pro

At a glance

Anthropic's fast, low-cost Claude Haiku for high-volume work, succeeding Claude Haiku 4.5.

1M ctx$0.10/$0.50 per M

OpenAI's GPT-6 Sol served in pro reasoning mode for the hardest problems.

1.1M ctx$2.00/$10.00 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
Cheaper95%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Specs
1M
Context
128K
Max output
Oct 2026
Released
1.1M
Context
128K
Max output
Sep 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input95%$0.10/M tokens
Output95%$0.50/M tokens
Cache read95%$0.01/M tokens
Cache write95%$0.13/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input$2.00/M tokens
Output$10.00/M tokens
Cache read$0.20/M tokens
Cache write$2.50/M tokens
Web search$0.01/search
Chat with Claude Haiku 5.5Go to model
Chat with GPT 6 Sol ProGo to model
Frequently Asked Questions: Claude Haiku 5.5 vs GPT 6 Sol Pro▼

Which is better, Claude Haiku 5.5 or GPT 6 Sol Pro?

▼

Both Claude Haiku 5.5 and GPT 6 Sol Pro 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, Claude Haiku 5.5 or GPT 6 Sol Pro?

▼

Claude Haiku 5.5 has a lower blended cost. Claude Haiku 5.5: $0.10 input / $0.50 output. GPT 6 Sol Pro: $2.00 input / $10.00 output.

Which has a larger context window, Claude Haiku 5.5 or GPT 6 Sol Pro?

▼

GPT 6 Sol Pro has a larger context window: Claude Haiku 5.5 supports 1M tokens vs GPT 6 Sol Pro at 1.1M tokens.

Do both Claude Haiku 5.5 and GPT 6 Sol Pro support vision?

▼

Yes, both Claude Haiku 5.5 and GPT 6 Sol Pro support vision/image input.

What are the key differences between Claude Haiku 5.5 and GPT 6 Sol Pro?

▼

Key differences: Claude Haiku 5.5 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 Claude Haiku 5.5 and GPT 6 Sol Pro for free on idapt.app to see which performs better for your specific needs.

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