{"name":"OpenAI API","tagline":"GPT-5 family and o-series reasoning models behind one API.","url":"https://platform.openai.com","category":"models-api","pricing":"paid","price_note":"pay-as-you-go, from $0.20/1M input (GPT-5.6 Luna); GPT-5.6 Sol promotional $4/$20 at least through 2026-11-21 (list $5/$30); no free tier","free_tier":false,"open_source":false,"api":true,"self_host":false,"models_used":["gpt-5-6-terra","gpt-5-4-mini","gpt-5-6-sol","gpt-5-6-luna"],"model_routing":"locked","verdict":"ship","verdict_text":"The safe default for production: a model for every tier from nano to frontier, plus the most complete tooling — batch, structured outputs, agents. Rarely the cheapest, rarely the wrong choice. Just expect model names to shift on you.","limitations":["Premium pricing at the frontier tier.","Model deprecations move fast.","Conservative rate limits on new accounts."],"strengths":["Safe production default: a model for every tier plus batch, structured outputs and agents.","Rarely the cheapest, rarely the wrong choice for a first production API."],"use_for":["Shipping an app on the GPT-5 family without assembling a router.","Workloads that need OpenAI's tooling more than a discount host."],"skip_when":["Frontier-tier pricing is the only quality that works.","You cannot absorb fast model deprecations.","New-account rate limits would stall launch."],"receipts":["https://platform.openai.com/docs"],"affiliate":"none","evidence_tier":"source-verified","momentum":"steady","featured":false,"last_verified":"2026-08-19","observed_by":"whysanesanders","slug":"openai-api","canonical_url":"https://noemium.com/tools/openai-api/","attribution":"Noemium catalog data is licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). See https://noemium.com/method/ for how entries are verified."}