Compare models
Put models side by side on price, context, capabilities, and benchmarks.
GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series (1.05M-token context, text, image, and file input, $2/$10 per million input/output tokens), released September 22, 2026 between the flagship GPT-6 Astra and the fast GPT-6 Luna. OpenAI reports it makes about half as many factual mistakes as GPT-5.6 Sol, reaching Astra-level reliability for everyday agentic coding and professional work at much lower cost.
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.