Expired85% confidenceFactTime unknown
Simon Willison's actual API consumption over the past 30 days was $1,199.79 on Claude Code and $980.37 on OpenAI Codex.
1
Sources
85%
Confidence
Medium-term (~90 days)
Relevance
5/31/2026
First Seen
Valid until: 8/29/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedClaude Code's API uses tiered billing by context size: the base price applies below 256K, and above 256K the price doubles or even triples, with the token unit price for 1 MB context rising from $3 to $6.71% similarVerifiedClaude Code officially uses Anthropic's API and is billed by token, and heavy users may incur monthly costs of tens or even hundreds of dollars.71% similarVerifiedThe subscription fee for Codex (OpenAI) and Claude Code (Anthropic) is $200 per month.69% similarUnverifiedA monthly subscription price of $20 USD has become the industry default pricing for AI programming tool subscription services, with both Claude Code and Codex adopting this pricing.68% similar
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