API relay
AI API Relay Directory
Compare official APIs, China-accessible cloud platforms, model routers, self-hosted gateways, and domestic relay services with risk notes.
Compare API relaysAI coding agent usage
AI Code Limits Calculator
Estimate whether your product should use an official API, a domestic relay, a model router, a flagship model, Copilot or Codex credits, Gemini usage controls, agent email infrastructure, or API budget planning.
Main tool
API relays, model pricing, Gemini
Risk check
Plan limits, credits, agent infra
Updated
May 24, 2026
Model router
AI Model Pricing Calculator
Search 300+ model prices across OpenAI, Anthropic, Google, xAI, DeepSeek, Qwen, Mistral, Cohere, Perplexity, and more.
Compare model pricesClaude Code
Claude Code Plugins
Find the plugin marketplace, install commands, safety checks, and plugin vs skill vs MCP tradeoffs before adding extensions to a repo.
Review Claude pluginsGoogle AI plan
Google AI Pro Limits
Track where Google AI Pro feels constrained: Gemini app prompts, AI Studio, Deep Research, media generation, Ultra, and API billing.
Read AI Pro limitsGoogle AI app
Gemini Usage Limits Calculator
Estimate compute-limit pressure for Gemini Flash, Pro, Deep Think, Deep Research, AI Plus, AI Pro, and AI Ultra.
Estimate Gemini limitsGitHub billing
Copilot AI Credits Calculator
Calculate Copilot AI Credits by plan, seats, model, cached input, output tokens, and monthly premium task volume.
Calculate Copilot creditsAgent infrastructure
AI Agent Email Inbox Comparison
Compare AgentMail, Nylas, Cloudflare Email Workers, and DIY IMAP/SMTP for agent-owned or user-connected inboxes.
Compare agent inboxesGoogle API
Gemini 3.5 Flash Pricing Calculator
Estimate Gemini 3.5 Flash Standard, Batch, Flex, and Priority costs with cached input and grounded Search overage.
Calculate Gemini costGoogle agent
Antigravity 2.0 Limits Calculator
Estimate Google Antigravity 2.0 plan pressure and managed-agent API cost before running long agent loops.
Estimate Antigravity usageOpenAI credits
Codex Credit Burn Calculator
Calculate token-based Codex credit burn by model, input, cached input, output tokens, and monthly budget.
Estimate Codex creditsOpenAI API
GPT-5.5 API Pricing Calculator
Estimate GPT-5.5, GPT-5.5 Pro, GPT-5.4, and mini model costs with cached input, Batch, Flex, Priority, and long-context pricing.
Calculate GPT costClaude billing
Claude Code Cost Calculator
Estimate API billing exposure and subscription pressure for Claude Code sessions before starting a long agent run.
Estimate Claude costAgent rules
AGENTS.md Generator
Create a concise instruction file for Codex, Claude Code, Cursor, and other coding agents with commands and safety rules.
Generate AGENTS.mdLocal model
DeepSeek 4 Flash VRAM Calculator
Check whether DS4 q2 or q4 local inference fits your Mac unified memory or CUDA machine before buying hardware.
Check DS4 memoryCost tool
AI Coding Agent Cost Calculator
Compare Claude API estimates, Codex credits, and subscription break-even points from your actual coding workload.
Estimate monthly costIndependent estimate, not an official quota checker
AI Code Limits is an independent tool. It does not know your private account quota and is not affiliated with Google, OpenAI, Anthropic, Claude, DeepSeek, DS4, or Cursor. Use it to reason about workload pressure, then confirm usage in the official product dashboards.