Skip to content

Models

These are the main public model IDs you should use in clients, SDKs, and editor integrations.

ModelModel IDMax inputMax outputThinkingVisionBest for
Claude Opus 4.7claude-opus-4.71M32KYesYesHardest reasoning, research, large codebases
Claude Opus 4.6claude-opus-4.6200K32KYesYesComplex reasoning, creative writing
Claude Opus 4.5claude-opus-4.5200K32KYesYesComplex reasoning, creative writing
Claude Sonnet 4.6claude-sonnet-4.61M8192YesYesCoding, general tasks, balanced cost
Claude Sonnet 4.5claude-sonnet-4.5200K8192YesYesCoding, everyday development
Claude Haiku 4.5claude-haiku-4.5200K8192NoYesFast responses, classification, low-cost automation
GPT 5.5gpt-5.5200K16KYesYesHardest reasoning, research, large codebases
GPT 5.4gpt-5.4200K16KYesYesComplex reasoning, creative writing

Per-model rates

Claudexia uses pay-as-you-go billing — you pay per 1M tokens for each model. Prices are fetched from

ModelInput / 1MOutput / 1M
Claude Opus 4.7$0.50$0.50
Claude Opus 4.6$0.50$0.50
Claude Opus 4.5$0.50$0.50
Claude Sonnet 4.6$0.33$0.33
Claude Sonnet 4.5$0.33$0.33
Claude Haiku 4.5$0.33$0.33
GPT 5.5$0.50$0.50
GPT 5.4$0.50$0.50

How to choose a model

  • For coding and developmentstart with claude-sonnet-4.5. It offers the best balance of speed, quality, and cost for everyday coding tasks.
  • For complex reasoning use claude-opus-4.5 or claude-opus-4.7 when you need deep analysis, multi-step reasoning, or large codebase understanding.
  • For fast automation use claude-haiku-4.5 for classification, extraction, and high-volume tasks where speed and cost matter most.
  • For latest capabilitiesclaude-opus-4.7 and claude-sonnet-4.6 have 1M context window and the newest model improvements.

Notes

  • Prefer these stable IDs for new integrations
  • Legacy dated Anthropic IDs and some aliases can still resolve, but they are less clear in shared configs
  • Use Opus for the heaviest reasoning, Sonnet for general development, and Haiku for fast low-cost work