Ultra-fast and lightweight GPT-5 variant for low-latency tasks.
Anthropic's fast, low-cost Claude Haiku for high-volume work, succeeding Claude Haiku 4.5.
No shared demos for these models yet.
No captured outputs for these models yet.
Both GPT 5 Nano and Claude Haiku 5.5 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.
GPT 5 Nano has a lower blended cost. GPT 5 Nano: $0.05 input / $0.40 output. Claude Haiku 5.5: $0.10 input / $0.50 output.
Claude Haiku 5.5 has a larger context window: GPT 5 Nano supports 400K tokens vs Claude Haiku 5.5 at 1M tokens.
Yes, both GPT 5 Nano and Claude Haiku 5.5 support vision/image input.
GPT 5 Nano and Claude Haiku 5.5 have similar overall capabilities. The main differences lie in pricing, context window size, and provider-specific strengths. Use this comparison page to review all metrics side by side.
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 Nano and Claude Haiku 5.5 for free on idapt.app to see which performs better for your specific needs.