#prompt-caching articles

MSManu Shuklaecorpit.hashnode.dev15h ago · 14 min read

Cerebras docs quote two Gemma 4 31B prices in 2026: $0.99 and $2.15 per million input tokens

Cerebras docs quote two Gemma 4 31B prices in 2026: $0.99 and $2.15 per million input tokens Summary. As of 24 August 2026, the Cerebras Gemma 4 31B model page states two different prices for the sa

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MSManu Shuklaecorpit.hashnode.dev4d ago · 14 min read

1.25x cache writes start billing on 21 August 2026: OpenAI's new dashboard, Azure's missing rate

1.25x cache writes start billing on 21 August 2026: OpenAI's new dashboard, Azure's missing rate Summary. On 20 August 2026 OpenAI released a Prompt Caching dashboard that reports cache hit rate, cach

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MSManu Shuklaecorpit.hashnode.devAug 6 · 23 min read

Claude mid-conversation tool changes end a 12.5x cache-rewrite penalty in 2026

Claude mid-conversation tool changes end a 12.5x cache-rewrite penalty in 2026 Summary. On the Claude API a cache read costs 0.1x the base input price and a 5-minute cache write costs 1.25x, so re-pro

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LWLearn with HJhardeepjethwani.hashnode.devJul 11 · 6 min read

Prompt Caching and Cost Optimization: Make AI Cheaper Without Making It Worse

🚀 Prompt Caching and Cost Optimization: Make AI Cheaper Without Making It Worse 👋 Welcome to Day 73 of 90 Days of AI. 🎯 Today we are tackling Prompt Caching and Cost Optimization: Make AI Cheaper

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Rrecca0120recca0120.hashnode.devMay 9 · 9 min read

36 Days of Claude Code Logs: Silent Model Switching, 11.5x Efficiency Gap

Originally published at recca0120.github.io [The first post]({{< ref "/post/claude-code-cache-ttl-audit" >}}) scanned 95 days of logs and found sub-agent cache TTL silently dropped to 5m. [The second]({{< ref "/post/claude-code-cache-ttl-17-days" >}}...

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Rrecca0120recca0120.hashnode.devApr 26 · 8 min read

I Audited 3 Months of Claude Code Billing — Most Community Cost-Saving Tips Don''t Work

Originally published at recca0120.github.io This past week, chasing a vague "quota burns faster lately" feeling, I scanned three months of my own Claude Code logs. ~\$127K equivalent cost, 127K turns, four models, hundreds of sessions. The uncomforta...

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Rrecca0120recca0120.hashnode.devApr 25 · 7 min read

12 More Days Scanned: Claude Code Sub-Agent Cache TTL Has Been 100% 5m for 17 Straight Days — This Isn''t a Regression, It''s the New Default

Originally published at recca0120.github.io [Two weeks ago]({{< ref "/post/claude-code-cache-ttl-audit" >}}) I scanned 95 days of Claude Code logs and found that since 4/9, sub-agents had been 100% downgraded to 5m TTL — 5 consecutive days, 4,840 API...

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ATAlair Tavares Jralair.hashnode.devApr 17 · 7 min read

Scaling Myself: Processing 26.8 Billion Tokens in 46 Days with Claude Code

For 46 straight days, I submerged myself in code, treating AI not as a glorified chatbot, but as the underlying operating system of my development workflow. Over this non-stop span, I used Claude Code to push my productivity to levels that would conv...

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FFetchLogicfetchlogic.hashnode.devApr 13 · 8 min read

Anthropic's Silent Cache Cut: What the TTL Downgrade Reveals About the Real Cost of API Dependence

The change appeared in no changelog. No deprecation notice. No migration guide. On March 6th, developers began noticing that their Anthropic cache TTL had silently dropped — from sixty minutes to five. A twelve-fold reduction in cache persistence, im...

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Rrecca0120recca0120.hashnode.devApr 13 · 7 min read

I Scanned 95 Days of My Claude Code Logs and Found Anthropic''s Second Silent Cache TTL Regression

Originally published at recca0120.github.io The previous post covered prompt caching cost mechanics. While researching it I bumped into a dramatic controversy — in March 2026 Anthropic silently changed Claude Code's cache TTL from 1 hour back to 5 mi...

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Trending tags this week

Cerebras docs quote two Gemma 4 31B prices in 2026: $0.99 and $2.15 per million input tokens

1.25x cache writes start billing on 21 August 2026: OpenAI's new dashboard, Azure's missing rate

Claude mid-conversation tool changes end a 12.5x cache-rewrite penalty in 2026

Prompt Caching and Cost Optimization: Make AI Cheaper Without Making It Worse

36 Days of Claude Code Logs: Silent Model Switching, 11.5x Efficiency Gap

I Audited 3 Months of Claude Code Billing — Most Community Cost-Saving Tips Don''t Work

12 More Days Scanned: Claude Code Sub-Agent Cache TTL Has Been 100% 5m for 17 Straight Days — This Isn''t a Regression, It''s the New Default

Scaling Myself: Processing 26.8 Billion Tokens in 46 Days with Claude Code

Anthropic's Silent Cache Cut: What the TTL Downgrade Reveals About the Real Cost of API Dependence

I Scanned 95 Days of My Claude Code Logs and Found Anthropic''s Second Silent Cache TTL Regression

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#prompt-caching

Explore Hashnode

Trending tags this week

Cerebras docs quote two Gemma 4 31B prices in 2026: $0.99 and $2.15 per million input tokens

1.25x cache writes start billing on 21 August 2026: OpenAI's new dashboard, Azure's missing rate

Claude mid-conversation tool changes end a 12.5x cache-rewrite penalty in 2026

Prompt Caching and Cost Optimization: Make AI Cheaper Without Making It Worse

36 Days of Claude Code Logs: Silent Model Switching, 11.5x Efficiency Gap

I Audited 3 Months of Claude Code Billing — Most Community Cost-Saving Tips Don''t Work

12 More Days Scanned: Claude Code Sub-Agent Cache TTL Has Been 100% 5m for 17 Straight Days — This Isn''t a Regression, It''s the New Default

Scaling Myself: Processing 26.8 Billion Tokens in 46 Days with Claude Code

Anthropic's Silent Cache Cut: What the TTL Downgrade Reveals About the Real Cost of API Dependence

I Scanned 95 Days of My Claude Code Logs and Found Anthropic''s Second Silent Cache TTL Regression