Compare models
Put models side by side on price, context, capabilities, and benchmarks.
Batch-processing variant of Claude Haiku 5.5, Anthropic's low-cost small model for summarization, classification, and subagent work. Same capabilities as the standard model, offered at lower cost via asynchronous batch processing for workloads that can tolerate delayed results.
GPT-6 Luna is the fast, low-cost tier of OpenAI's GPT-6 series (1.05M-token context, text, image, and file input, $0.10/$0.50 per million input/output tokens), released September 22, 2026 below GPT-6 Sol and the flagship GPT-6 Astra. It is built for high-volume tasks with a clear goal, such as summarization, extraction, classification, quick questions, and lightweight agentic steps.
Benchmarks
Head-to-head scores across reasoning, coding, and agentic indices, plus per-domain rankings.