Compare models
Put models side by side on price, context, capabilities, and benchmarks.
GPT-5.6 Sol Pro is an extended-reasoning version of the Sol flagship tier in OpenAI's GPT-5.6 family, aimed at the hardest complex reasoning, multi-step coding, and long-horizon agentic tasks.
Claude Haiku 4.5 is Anthropic's fast, affordable small model in the Claude 4 generation, balancing strong instruction-following and coding ability with low latency. It is designed for high-throughput agentic and chat applications where speed and cost efficiency are priorities.
Benchmarks
Head-to-head scores across reasoning, coding, and agentic indices, plus per-domain rankings.