According to @TheRundownAI, Anthropic’s Claude Haiku 5.5 is faster, cheaper, and tops Luna on benchmarks, starting at $0.10 per million input tokens.

According to TheRundownAI, GPT-6.1 Sol nears Astra at 1/5 cost, undercuts Opus 5.5 on AutomationBench, and adds Pro 500, Ultrafast, and Decisions API.

According to gdb, OpenRouter discounts on GPT 5.6 Terra and Luna drove a 13.8x token spike, illustrating Jevons Paradox for AI inference demand.

According to Greg Brockman, OpenAI Multi Agents v2 now auto delegates to any supported model, including Luna, reducing manual model selection.

According to @godofprompt, sol-advisor routes Codex GPT-5.6 Sol, Luna, and Terra for orchestration, routine, and complex tasks, adding review for quality.

According to @gdb, ARC Prize re-tested OpenAI Luna: ARC-AGI-1 90.7% at $0.07, ARC-AGI-2 59.6% at $0.18 after an 80% price cut.

According to @sama, OpenAI adds GPT-5.6 Sol for Plus and Pro and gives Free and Go users unlimited text chats via GPT-5.6 Luna, improving accuracy.

According to @gdb, OpenAI unifies Instant and deep reasoning with GPT-5.6 Sol and gives free users unlimited Luna text chats.

According to gdb, ChatGPT automations with Luna cut costs and streamline daily tasks for creators and teams.

According to @gdb, OpenAI cut GPT-5.6 Luna prices by 80% and Terra by 20%, adding a faster Sol option, improving cost efficiency for API and ChatGPT Work.

According to @sama, GPT-5.6 Luna drops 80% to $0.20/$1.20 per 1M tokens; Terra falls 20% to $2/$12; Sol adds Fast mode at 2.5x speed for 2x price.

According to OpenAI... Prices drop 80% for Luna and 20% for Terra, with a faster Sol option and cheaper usage in Codex and ChatGPT Work.

According to @sama, physicians found fewer flaws in GPT-5.6 responses than doctor-written ones, with Sol leading performance at lower cost, per @thekaransinghal.

According to OpenAI... GPT5.6 Luna beats GPT5.5 at top reasoning while costing 25x less, expanding global access to clinical decision support.

According to OpenAI... GPT5.6 Luna beats GPT5.5 at top reasoning while costing 25x less, signaling cheaper, stronger health intelligence models.

According to God of Prompt, GPT5.6 sparked a price war: Luna $1 per 1M tokens, Sonnet 5 intro $2, Terra 2x cheaper than GPT5.5.

According to @gdb, OpenAI’s GPT5.6 debuts with Sol, Terra, and Luna, boosting coding, security, and science with fewer tokens and lower costs.

According to @gdb, OpenAI will launch GPT 5.6 Sol with Terra and Luna on Thursday, expanding global preview access now, according to OpenAI.

According to OpenAI... GPT-5.6 Sol with Terra and Luna launches Thursday, with global preview access expanding now, signaling broader rollout for developers.

According to @gdb, OpenAI unveils GPT-5.6 Sol, plus Terra and Luna, targeting frontier capability, balanced efficiency, and fast affordable workloads.