Open-source Coding Agents
Entries here have a verifiable public repository and an open-source license. Model access, hosted services, or provider usage may still carry separate costs.
Selection criteria
- Core client or agent implementation is publicly available
- Repository has an identifiable open-source license
- Product is primarily useful for software-development work
Editorial layer
Featured entities
Featured entries are curated separately from the automatic graph aggregation below.
Codex CLI
Codex CLI is OpenAI's open-source coding agent that runs locally in a terminal. It can inspect a repository, edit files, and run commands under configurable approval controls.
Cline
Cline is an open-source coding agent available as an IDE extension, command-line tool, and SDK. It can read and write files, run terminal commands, and use browser and external tools.
Gemini CLI
Gemini CLI is Google's open-source terminal agent for working with Gemini models. It includes file operations, shell commands, web fetching, Google Search grounding, and MCP support.
OpenCode
OpenCode is an open-source coding agent available through a terminal interface, desktop app, and IDE integrations, with support for multiple model providers and local models.
Qwen Code
Qwen Code is an open-source coding agent from the Qwen team with terminal, editor, desktop, browser, and chat surfaces and support for Qwen and third-party model providers.
Direct members
Tools
Aider
Aider is an open-source terminal tool for working with language models on an existing codebase. It builds a repository map, edits files, integrates with Git, and can run linting and tests.
Zed
Zed is an open-source code editor from Zed Industries with a native coding agent, external agent integrations, terminal-backed agent threads, edit prediction, and multiplayer collaboration.
Direct members
Agents
Cline
Cline is an open-source coding agent available as an IDE extension, command-line tool, and SDK. It can read and write files, run terminal commands, and use browser and external tools.
Codex CLI
Codex CLI is OpenAI's open-source coding agent that runs locally in a terminal. It can inspect a repository, edit files, and run commands under configurable approval controls.
Gemini CLI
Gemini CLI is Google's open-source terminal agent for working with Gemini models. It includes file operations, shell commands, web fetching, Google Search grounding, and MCP support.
OpenCode
OpenCode is an open-source coding agent available through a terminal interface, desktop app, and IDE integrations, with support for multiple model providers and local models.
OpenHands
OpenHands is an open-source platform for running software-development agents locally, in hosted cloud environments, or through self-hosted deployments.
Pi
Pi is an open-source, extensible terminal coding agent from Earendil Works with multi-provider model access, local tools, skills, extensions, prompt templates, and SDK support.
Qwen Code
Qwen Code is an open-source coding agent from the Qwen team with terminal, editor, desktop, browser, and chat surfaces and support for Qwen and third-party model providers.
Graph expansion
Models and APIs
Includes indexed models and APIs directly assigned to the category or connected to its tools and agents by verified usage, integration, power, or availability relationships.
Models
Claude Sonnet 5.5
Claude Sonnet 5.5 is an Anthropic model released in September 2026 with a one-million-token context window, text and image input, and text output.
DeepSeek V4 Pro
DeepSeek V4 Pro is a reasoning and agent-oriented model in the DeepSeek V4 family, available through the DeepSeek API with a one-million-token context window.
Gemini 3.8 Flash
Gemini 3.8 Flash is a Google model for long-horizon software engineering, agent workflows, and multimodal tasks, available through the Gemini API.
GPT-5.6 Sol
GPT-5.6 Sol is OpenAI's flagship GPT-5.6 model for complex professional work, with a 1.05-million-token context window and up to 128K output tokens.
GPT-5.6 Terra
GPT-5.6 Terra is an OpenAI model designed to balance capability and cost, with a 1.05-million-token context window and up to 128K output tokens.
GPT-6 Astra
GPT-6 Astra is OpenAI's flagship API model for complex reasoning, coding, computer use, research, and other tool-heavy professional workflows.
GPT-6.1 Sol
GPT-6.1 Sol is an OpenAI model positioned below Astra on price while retaining support for complex coding, computer use, reasoning, and tool-based workflows.
Qwen3-Coder-Plus
Qwen3-Coder-Plus is a Qwen coding model served through Alibaba Cloud Model Studio and included in the Alibaba Cloud Coding Plan configuration for Qwen Code.
APIs
Alibaba Cloud Model Studio API
Alibaba Cloud Model Studio API provides programmatic access to Qwen and supported third-party models through native DashScope and OpenAI-compatible interfaces.
Claude API
Claude API is Anthropic's REST API for programmatic access to Claude models, including Messages, streaming, tool use, files, model listing, and related platform features.
DeepSeek API
DeepSeek API provides access to the current DeepSeek V4 models through OpenAI-compatible and Anthropic-compatible interfaces.
Gemini API
Gemini API provides programmatic access to Google's Gemini and related generative models through standard, streaming, real-time, batch, embeddings, and media endpoints.
Groq API
Groq API is an OpenAI-compatible inference API for supported language and audio models, with Responses, Chat Completions, streaming, tool use, structured output, and speech endpoints.
Mistral API
Mistral API provides programmatic access to Mistral models, chat completions, agents, tool use, structured outputs, embeddings, document workflows, and batch processing.
OpenAI API
OpenAI API provides programmatic access to OpenAI models through the Responses API, Realtime API, batch processing, and other model and media endpoints.
OpenRouter API
OpenRouter API is an OpenAI-compatible model-routing API that exposes hundreds of models from many providers through a single endpoint and account.
xAI API
xAI API provides programmatic access to Grok models through OpenAI-compatible REST endpoints and xAI's gRPC interface, with text, tool, media, file, and batch APIs.
Provider graph
Providers
Organizations linked to the category's tools, agents, models, or APIs through verified develops, provides, operates, or owns relationships.
Alibaba Cloud
Alibaba Cloud operates Model Studio, a managed model platform that provides Qwen and third-party models through native and compatible APIs.
All Hands AI
All Hands AI is the company behind the OpenHands open-source software-development agent platform.
Anomaly
Anomaly is the organization behind OpenCode and related open-source developer infrastructure projects including models.dev.
Anthropic
Anthropic is an AI research and product company that develops Claude models, the Claude API, and products including Claude Code.
Cline Bot
Cline Bot develops Cline, an open-source coding agent available through IDE, command-line, and SDK interfaces.
DeepSeek
DeepSeek develops language models, an API platform, and agent-oriented model tooling, including hosted DeepSeek V4 models and open-weight DeepSeek V3 and R1 research families.
Earendil Works
Earendil Works is an open-source software organization whose public projects include the Pi agent toolkit and coding-agent CLI.
Google develops internet, cloud, developer, and AI products, including the Gemini model and developer-tool product family.
Groq
Groq operates an inference cloud and API for running supported language, audio, and agent-oriented models on Groq infrastructure.
Mistral AI
Mistral AI develops language models and operates Studio, its developer platform for model APIs, agents, document processing, and related AI workloads.
OpenAI
OpenAI is an AI research and deployment company that develops model, developer, and coding products including the Codex product family.
OpenRouter
OpenRouter operates a model-routing platform and unified API for accessing models from multiple AI providers through one account and endpoint.
SpaceXAI
SpaceXAI develops the Grok model family and operates the xAI API. xAI joined SpaceX in February 2026.
Zed Industries
Zed Industries develops Zed, an open-source code editor with collaboration and AI-assisted development features.
Research layer
Comparisons
Published comparisons are included when at least one compared entity is a direct member of this category or a model/API reached through its verified graph connections.
Aider vs Cline
Aider and Cline are open-source coding tools that can edit repositories and work with multiple model providers. Aider is terminal-centered with repository-map and Git workflows, while Cline spans IDE, CLI, and desktop surfaces with browser and MCP tooling.
Claude Code vs Codex CLI
Claude Code and Codex CLI are coding agents with local terminal workflows. Claude Code also has Anthropic-managed IDE and web surfaces, while Codex CLI is the open-source local command-line client in the Codex family.
DeepSeek API vs OpenAI API
DeepSeek API and OpenAI API both support the OpenAI Responses request style. DeepSeek additionally documents an Anthropic-compatible base URL, while OpenAI exposes a broader first-party set of realtime and media endpoints.
DeepSeek V4 Pro vs GPT-6.1 Sol
DeepSeek V4 Pro and GPT-6.1 Sol are current reasoning models used in coding and agent workflows. DeepSeek documents a larger maximum output, while GPT-6.1 Sol accepts image input and has a slightly larger context window.
Gemini 3.8 Flash vs GPT-6.1 Sol
Gemini 3.8 Flash and GPT-6.1 Sol both target coding and agent workflows. Gemini 3.8 Flash accepts a broader set of native media inputs, while GPT-6.1 Sol has a larger documented maximum output.
Gemini API vs OpenAI API
Gemini API and OpenAI API both expose multimodal models, streaming, tool use, batch processing, and official SDKs. Their primary request primitives and authentication schemes differ.
Gemini CLI vs Codex CLI
Gemini CLI and Codex CLI are Apache-2.0 terminal coding agents. Gemini CLI is centered on Google's Gemini ecosystem and includes built-in web tools, while Codex CLI is OpenAI's local Codex client with configurable approval controls.
GPT-6.1 Sol vs Claude Sonnet 5.5
GPT-6.1 Sol and Claude Sonnet 5.5 are current general-purpose models with strong coding and agent-workflow support. Their standard API input/output prices are both USD 2 and USD 10 per million tokens.
GPT-6 Astra vs Claude Opus 5.5
GPT-6 Astra and Claude Opus 5.5 are high-capability models from OpenAI and Anthropic. Both support text and image input, reasoning, tool-based workflows, and long contexts.
Grok 4.7 vs GPT-6.1 Sol
Grok 4.7 and GPT-6.1 Sol are current multimodal models used for coding and agent workflows. Grok 4.7 has lower standard output-token pricing, while GPT-6.1 Sol has a larger documented context window.
Groq API vs OpenRouter API
Groq API and OpenRouter API both expose OpenAI-compatible model access. Groq runs a selected model catalog on its inference cloud, while OpenRouter routes requests across many model providers.
Mistral Medium 3.5 vs Claude Sonnet 5.5
Mistral Medium 3.5 and Claude Sonnet 5.5 both target coding and agentic work. Mistral Medium 3.5 is released as open weights, while Claude Sonnet 5.5 is served as a proprietary Anthropic model.
OpenAI API vs Claude API
OpenAI API and Claude API both provide model access, streaming, tool use, and official SDKs. They differ in API surface, model catalog, authentication details, and supported media and realtime endpoints.
OpenCode vs Claude Code
OpenCode is an open-source, provider-agnostic coding agent with terminal, desktop, and IDE surfaces. Claude Code is Anthropic's coding agent with terminal, IDE, web, and other Claude product integrations.
OpenHands vs Devin
OpenHands and Devin both target multi-step software-development work. OpenHands is an MIT-licensed platform that can run locally, in its hosted service, or self-hosted; Devin is a proprietary cloud agent from Cognition.
OpenRouter API vs OpenAI API
OpenRouter API is a multi-provider routing layer with an OpenAI-compatible interface, while OpenAI API is OpenAI's first-party platform for its own models and developer services.
Qwen Code vs Gemini CLI
Qwen Code and Gemini CLI are Apache-2.0 coding agents that run from the terminal. Qwen Code supports multiple provider protocols and additional desktop, browser, and editor surfaces; Gemini CLI is centered on Google's Gemini ecosystem.
xAI API vs OpenAI API
xAI API and OpenAI API both expose Responses-style and OpenAI-compatible developer workflows, with different model catalogs, server-side tools, media endpoints, and transport options.
Zed vs Cursor
Zed is an open-source editor with native, external, and terminal-backed agent paths. Cursor is a proprietary editor centered on its own agent workflows and cloud agents.
Related categories
AI Coding
Tools and coding agents used to write, edit, review, debug, and maintain software with language models.
Terminal Coding Agents
Coding tools and agents that can inspect repositories, edit files, and carry out development work from a terminal or command-line interface.