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Hands-on tools that turn AI configuration into a few clicks. Generate personality files, estimate costs, audit security, and ship faster.
Build a custom SOUL.md personality file for your OpenClaw agent. Pick a role, tune personality sliders, choose your tech stack, and download in 60 seconds.
Score any AI prompt on 9 quality checks and get an instant structured rewrite.
Estimate monthly costs across LLM providers and see how multi-model routing saves 50-80%.
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Accurate token counting for all major AI providers and models
| Provider | Models | Context Window |
|---|---|---|
| OpenAI | GPT-5.2GPT-5.2 ProGPT-5 miniGPT-4.1GPT-4.1 miniGPT-4.1 nanoo4-mini | Up to 400K |
| Anthropic | Claude Opus 4.5Claude Sonnet 4.5Claude Opus 4Claude Sonnet 4Claude Haiku 3.5 | 200K (1M beta) |
Gemini 3 ProGemini 3 FlashGemini 2.5 ProGemini 2.5 FlashGemini 2.0 Flash | Up to 2M | |
| Meta | Llama 3.3 70BLlama 3.2 90BLlama 3.1 405BLlama 3.1 70BLlama 3.1 8B | Up to 128K |
| Mistral | Mistral LargeMistral MediumMistral SmallCodestralPixtral | Up to 128K |
Learn about tokens, pricing, and AI development
Gemini CLI 0.37.1 shipped April 9, 2026 with dynamic sandbox expansion, worktree support on Linux and Windows, Chapters for long-session narratives, and secret lockdowns for env files. Here's what changed, how the sandbox model works, and how it compares to Claude Code.
Alibaba's Qwen 3.6 Plus ships a 1M token context window, always-on chain-of-thought, and 61.6 on Terminal-Bench 2.0 — beating Claude Opus 4.6 at roughly 1/17th the API price. Here's what's inside the architecture, the real benchmarks, and when it makes sense to use it.
Harvey grew from two guys in an apartment to an $11B legal AI giant in three years. The vertical AI playbook they ran is dismantling traditional SaaS — here's how it works and why horizontal AI can't compete.
Common questions about AI tokens, pricing, and our tools
AI Tools Kit provides essential utilities for developers and content creators working with large language models like GPT-5, Claude 4.5, Gemini 3, and other AI systems. Our token calculator helps you understand exactly how your text will be processed by AI models, enabling you to optimize prompts and reduce API costs.
Accurately count tokens before sending requests to OpenAI, Anthropic, or other AI providers. Understand how tokenization works and see exactly how your text breaks down into tokens. Support for multiple models including GPT-5, GPT-4.1, Claude 4.5, and more.
Token Optimized Object Notation (TOON) reduces your JSON payload size by up to 50%, saving tokens and reducing API costs. Convert between JSON and TOON formats instantly with our free converter tool.
Browse our curated collection of effective prompts for writing, coding, business, education, and creative tasks. Copy and customize prompts to get better results from AI models.