Claude Opus 5.5 pricing: what the 40% cost reduction means

Separate Opus 5.5 token-price cuts from Anthropic’s task-cost claim, compare cache and Fast rates, and calculate a transparent example.

ai-modelsapi-guide

GPT-6 Luna API pricing: batch costs and cache accounting

Estimate GPT-6 Luna batch and Standard costs, include cache writes and retries, and avoid confusing desktop access with a free API tier.

ai-modelsapi-guide

GPT-6 Sol API pricing: calculate cache and task costs

Calculate GPT-6 Sol input, output and cache charges, check the 272K long-context threshold, and download a worksheet for your own usage.

ai-modelsapi-guide

Use GPT-6 Sol and Luna in Codex, ChatGPT Work and the API

Find the right GPT-6 Sol or Luna entry point, distinguish subscription access from API billing, and check model names before troubleshooting.

ai-modelsapi-guide

GPT-6 Sol/Luna tool calling: fix the request before migrating

Check Responses versus Chat Completions, reasoning settings and unsupported parameters for GPT-6 Sol and Luna. Includes a local request checker.

ai-modelsapi-guide

GPT-6 Sol vs Luna vs Astra: choose a model for your task

Compare GPT-6 model roles and direct API costs, then use an acceptance checklist to choose Luna, Sol or Astra without assuming a universal winner.

ai-modelsapi-guide

GPT-6 Sol vs Claude Opus 5.5 for coding and API cost

Compare Sol and Opus 5.5 under explicit API pricing assumptions, account for caching, and use a repeatable coding evaluation instead of a universal ranking.

ai-modelsapi-guide

Connect Grok 4.7 to Your App and Preserve Multi-Turn Reasoning

Use the correct Grok 4.7 API model ID, make a minimal Responses request, and keep encrypted reasoning intact when your conversation continues.

grokapi

Where Can You Use Grok 4.7? Cursor, Grok Build and API Access

Find the confirmed Grok 4.7 entry points, understand Fast and free-tier differences, and check why the model may not appear in your client.

grokapi

Grok 4.7 Pricing vs 4.6: What Changes Your Task Cost?

Check Grok 4.7 input, output and cache rates, long-context pricing and Fast charges, then calculate the complete cost of an agent task.

grokapi