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OpenAI GPT-6 Sol and Luna cut API prices by 50% with improved factuality
Tech News••
1 min read
Published by AINave Editorial • Reviewed by Ramit
TL;DROpenAI released GPT-6 Sol and Luna with 50% lower API pricing than GPT-5.6, claiming half as many factual mistakes. Sol targets coding and agents; Luna handles high-volume clerical tasks. Available in ChatGPT Work and Codex for paid plans, with Luna on desktop for free users.
OpenAI expanded the GPT-6 family with Sol and Luna, two models that cut API costs by half compared to GPT-5.6 while claiming fewer factual errors. For builders running coding agents or high-volume document processing, the lower price per token changes the cost calculus for scaling.
GPT-6 Sol and Luna arrive with a 50% price cut
OpenAI released GPT-6 Sol and GPT-6 Luna on September 22, 2026, just 90 minutes after
Sources
- OpenAI launches GPT-6 Sol and Luna, boasting lower cost and fewer mistakes
- ChatGPT-6 Sol and Luna are here: Pricing and benchmarks data
- OpenAI upgrading ChatGPT and Codex with two more GPT-6 models
- Introducing GPT-6 Sol and Luna | OpenAI
- OpenAI launches GPT-6 Sol and Luna with lower API prices · Digg
- GPT-6 Sol and Luna: Pricing, Benchmarks, Availability | Coursiv Blog
- OpenAI's New GPT-6 Sol and Luna Models Bring Astra... - MacRumors
- OpenAI launches GPT-6 Sol and Luna, boasting lower cost and fewer mistakes
- OpenAI cuts GPT-6 Sol and Luna prices by 50% to defend developer share
- OpenAI Introduces GPT-6 Sol and Luna With 50% Lower API Prices
- OpenAI cuts GPT-6 prices in half with Sol and Luna
- Claude Opus 5.5 and OpenAI GPT-6 Sol & Luna both launch today with lower costs
- OpenAI launches GPT-6 Sol and Luna with 50% API price cuts
- GPT-6 Sol and GPT-6 Luna: Specs, Benchmarks, Pricing... - Kingy AI
- OpenAI releases GPT-6 Sol and Luna models, slashing API costs 50% or more
- OpenAI’s GPT-6 Sol and Luna Cut Prices 50% — and the Three-Tier Family Just Ended the Coordinated Slowdown
- OpenAI Cuts API Prices 50% With GPT-6 Sol and Luna
