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Practical notes on AI models, API costs, and production workflows.

Model updates, integration guides, pricing breakdowns, and tool workflows for developers and teams.

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Anthropic API Billing Explained: How Claude API Charges Work in 2026
June 2, 2026179 viewsEnglishPricing

Anthropic API Billing Explained: How Claude API Charges Work in 2026

A practical guide to Anthropic API billing in 2026: input tokens, output tokens, prompt caching, Claude pricing examples, hidden cost drivers, and ways to reduce API spend.

Claude Opus 4.8 vs Opus 4.7: Real API Benchmark Results for Developers
May 29, 2026135 viewsEnglishClaude

Claude Opus 4.8 vs Opus 4.7: Real API Benchmark Results for Developers

We tested claude-opus-4-8 and claude-opus-4-7 through the Crazyrouter OpenAI-compatible API across reasoning, coding, JSON extraction, long context, tool-use planning, multilingual output, and cost reasoning.

Opus 4.8 vs Opus 4.7 Coding Test: What Changed for Developers?
May 29, 2026101 viewsEnglishClaude

Opus 4.8 vs Opus 4.7 Coding Test: What Changed for Developers?

A focused look at the coding benchmark from our Opus 4.8 vs Opus 4.7 API test, including latency, output style, and production routing advice.

Opus 4.8 vs Opus 4.7 for Agents: JSON, Tool Use, and Structured Output
May 29, 2026106 viewsEnglishClaude

Opus 4.8 vs Opus 4.7 for Agents: JSON, Tool Use, and Structured Output

Our real API test found Opus 4.7 cleaner than Opus 4.8 for strict JSON-style output, while Opus 4.8 remained strong for reasoning and explanation.

Gemini 2.5 Flash-Lite for RAG, Agent Routing, and Cost per Successful Task
May 28, 2026112 viewsEnglishGemini

Gemini 2.5 Flash-Lite for RAG, Agent Routing, and Cost per Successful Task

A developer guide to using Gemini 2.5 Flash-Lite as a routing and evaluation layer in RAG and agent systems, with practical metrics beyond cost per token.

Gemini 2.5 Flash-Lite for Support Automation and Ticket Triage
May 28, 2026108 viewsEnglishGemini

Gemini 2.5 Flash-Lite for Support Automation and Ticket Triage

How developers can use Gemini 2.5 Flash-Lite to classify support tickets, extract key fields, suggest next actions, and escalate risky cases without turning support into an unreliable chatbot.

Gemini 2.5 Flash-Lite Use Cases: The Practical Automation Tier for Developers
May 28, 2026141 viewsEnglishGemini

Gemini 2.5 Flash-Lite Use Cases: The Practical Automation Tier for Developers

A practical guide to where Gemini 2.5 Flash-Lite fits: high-volume classification, extraction, routing, enrichment, and other automation jobs where latency and unit economics matter more than deep reasoning.

Claude Jupiter v1-p vs GPT-5.5 Benchmark: Real API Test on Reasoning and Coding
May 27, 2026105 viewsEnglishBenchmark

Claude Jupiter v1-p vs GPT-5.5 Benchmark: Real API Test on Reasoning and Coding

We tested claude-jupiter-v1-p and gpt-5.5 through https://cn.crazyrouter.com/v1 across reasoning, coding, patching, JSON, long-context recall, agent planning, and math tasks. GPT-5.5 scored slightly higher, while Jupiter was much faster but required a payload compatibility fix.