Anthropic debuts Opus 5 at half the price of its Fable sibling
OpenAI's GPT-5.6 Sol sells for $5 / MTok input and $30 / MTok output.However, the tokens required to complete a task can vary from model to model, so it's also useful to assess how much each model costs to complete the same task. REG AD googletag.cmd.push(function() { googletag.display('labrador/thereg/article/desktop/b'); }); Per Artificial Analysis, the weighted average cost (USD) per Intelligence Index task is $2.75 for Fable, $2.03 for Opus 5 (max), $1.04 for GPT-5.6 Sol (max), and $0.95 for Kimi K3. According to Claude Code engineer Thariq Shihipar, Anthropic removed 80 percent of the Claude Code system prompt for its latest models.As a result, the company's guidance for crafting prompts, skills, and CLAUDE.md files has changed.
- ▪OpenAI's GPT-5.6 Sol sells for $5 / MTok input and $30 / MTok output.However, the tokens required to complete a task can vary from model to model, so it's also useful to assess how much each model costs to complete the same task.
- ▪REG AD googletag.cmd.push(function() { googletag.display('labrador/thereg/article/desktop/b'); }); Per Artificial Analysis, the weighted average cost (USD) per Intelligence Index task is $2.75 for Fable, $2.03 for Opus 5 (max), $1.04 for GP
- ▪According to Claude Code engineer Thariq Shihipar, Anthropic removed 80 percent of the Claude Code system prompt for its latest models.As a result, the company's guidance for crafting prompts, skills, and CLAUDE.md files has changed.
8 outlets in our directory ran this story, first to last over 7 hours. All of the coverage we found sits in one bucket: centre. That one-sidedness is itself worth noticing.
- ▪ Anthropic’s new Claude model comes close to Fable 5 at half the cost — Android Authority
- ▪ Claude Opus 5 launches with similar performance as Fable 5 for ‘half the price’ — 9to5Google
- ▪ Anthropic's New Claude Opus 5 Nearly Matches Flagship Fable 5 at Half the Cost — MacRumors
- ▪ Anthropic launched Claude Opus 5 at half the price of its most powerful AI model — Quartz
- ▪ Anthropic launches Claude Opus 5, which it says comes close to Fable 5 performance at half the price; it is the new default model on Claude Max (Anthropic) — Techmeme
- ▪ Claude Opus 5 arrives with near Fable performance at half the price — ZDNet
- ▪ Anthropic says Opus 5 can nearly match its top-performing model for half the price — Engadget
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