Desk · Labs & reverse engineering

Research

Technical deep dives, reproducible tests, and tool evaluations.

Articles: 177
Topics: 20
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Data graphic: Sonnet 5.5 cache reads fell from $0.20 struck through to $0.10 per MTok on Oct 7, which is 0.05x the $2 base input price. Break-even is unchanged at 2 requests for the 5-minute cache.

Claude Sonnet 5.5 cache reads drop to $0.10 per MTok: when prompt caching pays

Sonnet 5.5 cache reads fell from $0.20 to $0.10 per MTok on Oct 7. Break-even stays at 2 requests (5-min cache) or 3 (1-hour); each hit costs half as much.

Oct 8 · 7 min

Poster: Max and Team now include API credits, Claude Code excluded

watchResearch Anthropic

Claude Max and Team Plans Now Include Monthly API Credits, but Claude Code Is Not Covered

Claude Max and Team now include monthly API credits: $100 on Max 5x, $200 on Max 20x, up to $500 for Team. Claude Code is excluded and credits expire monthly.

Oct 7 · 6 min

Chart of Claude Haiku 5.5 input price per million tokens: $0.10 up to 100K-token prompts against $1 on Haiku 4.5, and $0.50 above 100K, 5x the lower tier; effective $0.65 versus $1 at roughly 30% more tokens.

watchResearch Claude 4 5 Haiku

Claude Haiku 5.5 is 90% cheaper per token, until a prompt crosses 100K

Haiku 5.5 costs $0.10/$0.50 per MTok vs $1/$5 on Haiku 4.5, but a tokenizer change and a 5x tier above 100K tokens decide your real bill.

Oct 7 · 7 min

Data graphic: OpenAI's API usage tiers drop from five to three, and the top tier, Grow, now needs $500 in total purchases, down from $1,000 for the old top tier. Grow's monthly limit is $200,000.

watchResearch Ai Api Pricing

OpenAI Collapses API Usage Tiers From Five to Three: Grow Unlocks $200,000 a Month at $500

OpenAI's API now has three paid usage tiers, Build, Launch and Grow. Grow needs $500 in total purchases, down from $1,000, and keeps its $200,000 monthly limit.

Oct 6 · 5 min

Poster: GitHub Copilot Business and Enterprise seats are billed upfront from 1 October

elevatedResearch Github Copilot

GitHub Copilot Business and Enterprise Now Bill Seats Upfront: What Changed on Oct 1

From 1 Oct 2026 existing card and PayPal Copilot Business and Enterprise customers pay for assigned seats upfront. List prices are unchanged; revoked seats get no refund.

Oct 4 · 5 min