Tools available today for prompt iteration, agent development, and no-code AI deployment — spanning Google, Anthropic, OpenAI, and more.
| Tool | What It Does For You | Cost | Skill Level |
|---|---|---|---|
| Claude.ai claude.ai |
Conversational AI from Anthropic. Excellent for long documents, nuanced writing, coding, and analysis. Supports file uploads and extended context. | Free / Pro ($20/mo) | Low |
| Claude Projects claude.ai/projects |
Shared AI workspaces with persistent knowledge, custom instructions, and uploaded files. Reusable across conversations by a team. Like Gems, but with document memory. | Pro / Team plan | Low |
| Claude Skills (Projects) | Custom behavioural instructions embedded in a Claude Project. Define role, tone, and constraints once — applied every conversation. Equivalent to a reusable system prompt persona. | Pro / Team plan | Low |
| Claude API console.anthropic.com |
Programmatic access to Claude models. Tool use, structured outputs, extended thinking, vision. Competitive pricing vs GPT-4. | Pay-per-token | High |
| Tool | What It Does For You | Cost | Skill Level |
|---|---|---|---|
| ChatGPT chatgpt.com |
Conversational AI with code interpreter, image generation, file analysis, and web browsing. GPT-4o is the primary model. | Free / Plus ($20/mo) | Low |
| Custom GPTs chatgpt.com/gpts |
No-code builder for creating custom ChatGPT personas with instructions, knowledge files, and integrated actions (API calls). Shareable within an org. | Plus / Team plan | Low |
| ChatGPT Tasks / Agents | Agentic ChatGPT mode that can browse the web, run code, use computer, and execute multi-step tasks autonomously. Scheduled tasks supported. | Plus / Pro plan | Low |
| OpenAI API + Assistants platform.openai.com |
Programmatic access to GPT-4o, o3, embeddings, DALL·E, Whisper. Assistants API for persistent thread-based agents with file search and code interpreter tools. | Pay-per-token | High |
| Tool | What It Does For You | Cost | Skill Level |
|---|---|---|---|
| Google AI Studio aistudio.google.com |
Interactive prompt playground. Test system instructions, few-shot examples, structured outputs. Export prompts as API calls. | Free tier | Low |
| Gemini API ai.google.dev |
Programmatic access to Gemini models. Function calling, structured output, long context (1M+ tokens), code execution, Google Search grounding. | Free → pay-per-token | Medium |
| Gemini App + Gems gemini.google.com |
Conversational AI with custom persistent agents (Gems). Define a system instruction + name. Reusable across conversations. | Free / Advanced ($20/mo) | Low |
| NotebookLM notebooklm.google.com |
Source-grounded AI research. Upload 50+ sources. Generates summaries, audio overviews, mind maps, slide decks. | Free | Low |
| Google Workspace AI Docs, Sheets, Slides, Gmail, Meet |
"Help me write / analyse" features built into all Workspace apps. Summarise emails, generate slide decks, create formulas, draft docs — no setup needed. | Workspace subscription | Low |
| Google Workspace Studio workspace.google.com |
No-code/low-code app builder within Google Workspace. Create internal tools, forms, and automated workflows using a drag-and-drop interface backed by Workspace data. | Workspace Business+ plan | Low |
| Google Sheets + Apps Script | Structured data store + automation. Use =AI() formula or Apps Script UrlFetchApp to call Gemini API per row. Batch at scale. |
Free | Medium |
| Vertex AI Agent Studio console.cloud.google.com |
Low-code visual agent builder. Define reasoning loops, connect tools, test multi-turn conversations. Agent Garden prebuilt templates. | GCP credits ($300 free) | Medium |
| Google Colab colab.research.google.com |
Free Jupyter notebooks with GPU. Run Python, call Gemini API, process data, prototype agents. | Free / Pro | Medium |
| Google Apps Script | JavaScript runtime attached to Sheets/Docs/Forms. Automate workflows, schedule triggers, build custom menus. | Free | Medium |
| Agent Development Kit (ADK) | Google's open-source Python framework for building agents with tool use, memory, and multi-agent orchestration. | Free (open source) | High |
| Google Antigravity antigravity.google |
Agent-first IDE + SDK + CLI. Run multiple autonomous coding agents in parallel. Scheduled Tasks for recurring automation. SDK for custom Python agents with built-in tools. Projects span multiple repos. | Free | Medium |
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Step-by-step playbooks. Click any card for the full procedure.
Copy these into Google AI Studio → System Instruction. Replace {placeholders} with real values before testing.