Claude Code sends 33k tokens before reading the prompt; OpenCode sends 7k
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systima
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Hacker News
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Anthropic - Google News
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AI-Generated Claims
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Claude Code now has a built-in browser that lets the AI read, click, and type on external websites - the-decoder.com.
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Claude Code sends 33k tokens before reading the prompt; OpenCode sends 7k.
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We usually use OpenCode, but were 'forced' to use Claude Code for a while due to issues with Meridian.
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In that time, we saw the usage meter rise much, much more quickly than when using OpenCode.This was the initial anecdotal evidence, but we undertook this small study to collect empirical data:We added logging between the agentic coding tool (Claude Code and OpenCode) and Anthropic's endpoint, and captured all requests (and the returned usage blocks).With one caveat (toward the end of the post) we found unambiguously that Claude Code was far more inefficient in terms of its cache strategy and its harness token usage than OpenCode.
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Related Events
Anthropic Adds Built-In Web Browser to Claude Code Desktop App - MLQ.ai
LLMs • 7/13/2026
Do you use AI tools like ChatGPT, Claude or Gemini? - dnronline.com
LLMs • 7/13/2026
Claude Code May–July 2026 weekly limits promotion
LLMs • 7/13/2026
Meta jumps into AI coding market in effort to chase Anthropic and OpenAI - CNBC
LLMs • 7/12/2026
Using the AI 'Claude,' all 530,000 lines of Zig code in the development tool 'Bun' were rewritten in Rust, and the creator of Zig also responded on his blog. - gigazine.net
LLMs • 7/12/2026
Causality Chain
Preceded By
Anthropic Rejects China's Claim About Claude Code Backdoor - BankInfoSecurity
47 causal score
Claude Cowork's biggest use case is the mundane office work nobody wants to own, Anthropic says - the-decoder.com
45 causal score
OpenAI CEO Altman is now "pretty sure" AI is net job-creating, which is quite the pivot from predicting mass layoffs - the-decoder.com
45 causal score