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GPTScript

Natural language scripting for LLM-system interaction

GPTScript is an Apache 2.0 licensed framework with 3,300+ GitHub stars that enables natural language scripting where LLMs interact with local systems, APIs, and tools through simple prompt definitions. It supports multiple model providers including OpenAI-compatible APIs and local models, providing a lightweight approach to building AI agents that can execute CLI commands, call APIs, and process files.

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About GPTScript

GPTScript provides a minimalist framework for building AI agents that interact with local systems. Developers define tools using natural language descriptions and the framework handles the orchestration between LLM reasoning and tool execution. A tool might describe how to list files, run a CLI command, call an API endpoint, or process data, and the LLM chains these tools together to accomplish complex tasks.

The framework supports multiple AI backends including OpenAI, any OpenAI-compatible API, and local models, giving teams flexibility in choosing their inference provider. Installation is available through Homebrew, shell scripts, and Windows package managers. The tool-based architecture means agents can be composed from reusable components, building complex workflows from simple, well-defined building blocks.

With 3,300+ stars on GitHub and Apache 2.0 licensing, GPTScript has attracted a community of developers building lightweight AI agents for DevOps automation, data processing, and system administration tasks. The framework prioritizes simplicity and transparency, making it accessible to developers who want to experiment with agentic AI without the complexity of full agent frameworks.

Pricing & Platform Specs

Pricing Summary

100% free and open source under the Apache License 2.0 (developed by Acorn Labs / Obot AI creators). The CLI binary, tool parser, and agent runtime have $0 software licensing fees. Users operate on a Bring-Your-Own-Key (BYOK) basis and pay standard token consumption fees directly to their chosen LLM providers (e.g., OpenAI, Anthropic, Ollama, local models).

full pricing breakdown →

Supported Platforms

CLI, any OS, OpenAI, local models, Docker

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Alternatives

All GPTScript alternatives →
Kubiya logo

Kubiya

Agentic DevOps automation via ChatOps

Kubiya is an agentic automation platform for DevOps and platform teams that uses specialized agents with connectors for Kubernetes, AWS, GitHub, Jira, and Terraform to automate operational tasks through Slack or web portals. It provides Terraform module support for infrastructure-as-code configuration and manages agent behaviors with policy-based controls for enterprise-grade governance.

freemium
Firebase logo

Firebase

Google’s app development platform for backend, auth, database, hosting, analytics, and AI features

Firebase is Google’s app development platform providing backend services including Firestore, Realtime Database, Authentication, Cloud Storage, Cloud Functions, Hosting, Analytics, messaging, and AI-connected app features. Current docs foreground Firebase AI Logic for Gemini API access, Genkit for full-stack AI and agentic apps, Firestore vector search, and SQL Connect. Spark plan is free; Blaze is pay-as-you-go.

freemiumTelemetry
Pulumi logo

Pulumi

Infrastructure as Code using real programming languages — TypeScript, Python, Go, C#, Java.

Pulumi is a modern Infrastructure as Code platform that lets teams define cloud infrastructure using familiar programming languages instead of DSLs. Supports TypeScript, Python, Go, C#, Java, and YAML across major clouds, Kubernetes, and a broad Pulumi Registry with Terraform-derived provider coverage. Offers testing, IDE autocomplete, reusable components, and Pulumi Cloud state/governance features.

freemiumOpen Source

Community experience

Sources & verification

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Content verified

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FAQ

What is GPTScript?

GPTScript is an Apache 2.0 licensed framework with 3,300+ GitHub stars that enables natural language scripting where LLMs interact with local systems, APIs, and tools through simple prompt definitions. It supports multiple model providers including OpenAI-compatible APIs and local models, providing a lightweight approach to building AI agents that can execute CLI commands, call APIs, and process files.

Is GPTScript free?

Yes — GPTScript is open source and free to use. 100% free and open source under the Apache License 2.0 (developed by Acorn Labs / Obot AI creators). The CLI binary, tool parser, and agent runtime have $0 software licensing fees. Users operate on a Bring-Your-Own-Key (BYOK) basis and pay standard token consumption fees directly to their chosen LLM providers (e.g., OpenAI, Anthropic, Ollama, local models).

Is GPTScript open source?

Yes — GPTScript is open source.

Is GPTScript still maintained?

Yes — GPTScript is active. Its listing was last verified on September 6, 2026.

What are the best GPTScript alternatives?

The first editor-selected GPTScript alternatives are Kubiya, Firebase, Pulumi.