GitHub Copilot
AI pair programmer for developersAI coding assistant by GitHub/Microsoft offering code completion, chat, and agentic workflows across 70+ languages and major IDEs.
- Maker
- GitHub (Microsoft)
- Founded
- 2021
- Pricing
- Free tier
- Last checked
- October 2026
Verdict
The most capable AI-native IDE you can install today — Agent mode and Composer 2.5 are genuinely excellent — but credit-based billing has made it expensive and unpredictable for heavy users, and indexing degrades on very large repos.
Read our full GitHub Copilot review →Score breakdown
vs Claude Code, the category leaderIndividual developers and engineering teams embedded in the GitHub/Azure ecosystem who want a multi-model AI coding assistant
Key features
- Real-time inline code completion across 70+ programming languages
- Copilot Chat for conversational coding assistance inside supported IDEs and on GitHub.com
- Agent Mode for autonomous multi-step coding tasks with Model Context Protocol tool integration
- Copilot Edits for coordinated multi-file changes across a codebase
- Copilot CLI with Plan and Autopilot modes for terminal-based agentic workflows
- Copilot code review and pull request automation directly in GitHub
- Switchable AI models per session from OpenAI, Anthropic, Google and others
- Computer use for desktop apps and dynamic workflows in the Copilot CLI and app (October 2026)
- Copilot Knowledge Bases (Enterprise) trained on private org repositories
Strengths
- +Multi-model flexibility: switch between current OpenAI, Anthropic (e.g. Claude Opus 5.5) and Google (e.g. Gemini 3.8 Flash) models within one subscription
- +Deep GitHub integration enables Copilot-assisted code review, PR automation, and issue-to-code workflows natively
- +Agent Mode with MCP support transforms VS Code into a fully agentic development environment
- +Broad IDE coverage: VS Code, JetBrains, Visual Studio, Neovim, and Xcode all supported
- +Functional free tier (2,000 completions/month) lets developers evaluate before committing to paid
Weaknesses
- −March 2026 incident in which Copilot injected promotional tips into 1.5M+ pull requests eroded developer trust
- −Research shows roughly 30% of AI-generated Python/JS snippets contain security vulnerabilities; output always needs review
- −Usage-based AI Credits billing (effective June 2026) makes costs unpredictable for teams running heavy agentic workflows
- −Suggestion quality degrades noticeably in large, complex, or highly proprietary codebases with distributed logic
Overview
Overview
GitHub Copilot is an AI-powered coding assistant developed by GitHub, a Microsoft subsidiary. First announced in June 2021 as a technical preview built on OpenAI’s Codex, it has since evolved into a multi-model orchestration platform rather than a single-model autocomplete tool. Developers can switch between current models from OpenAI, Anthropic and Google within a single subscription; GitHub rotates the lineup frequently (in October 2026 it deprecated Claude Opus 4.7 and Gemini 3.5/3.6 Flash in favour of Claude Opus 5.5 and Gemini 3.8 Flash). On 1 October 2026 Copilot also added computer use for desktop apps.
The product scope has expanded significantly beyond completions. Agent Mode, now generally available in VS Code with Model Context Protocol support, enables Copilot to plan and execute multi-step coding tasks autonomously. The Copilot CLI reached general availability in February 2026, bringing Plan and Autopilot modes to the terminal. GitHub reports over 20 million all-time users.
On June 1, 2026, GitHub transitioned all plans to usage-based AI Credits billing, replacing fixed request quotas. This improves flexibility but introduces cost unpredictability for teams running sustained agentic workflows. Competition from purpose-built agentic IDEs such as Cursor and Windsurf has intensified, and some developer communities report a measurable decline in suggestion quality since late 2025 as the platform has been re-tuned for successive model swaps.
Key Benefits
- Ecosystem depth: Native integration with GitHub pull requests, issues, Actions, and the Azure stack provides workflow coverage no third-party tool matches.
- Model flexibility: Frontier model selection within a single subscription lets users optimize for speed, reasoning depth, or cost per task.
- Agentic reach: Agent Mode combined with MCP and the Copilot CLI enables end-to-end automated coding from spec to merged PR without leaving the GitHub ecosystem.
- Low barrier to entry: The free tier is functional enough for light users to evaluate the product before upgrading.
Use Cases
- Daily code completion — Inline suggestions accelerate boilerplate, API usage, and repetitive patterns across 70+ languages in every major IDE.
- Code review assistance — Copilot reviews pull requests inside GitHub, identifies bugs, suggests improvements, and generates review summaries at scale.
- Agentic refactoring — Agent Mode plans and executes multi-file refactors, generates test suites, and iterates on CI feedback with minimal human intervention.
- CLI-driven automation — Copilot CLI’s Autopilot mode handles scripting, infrastructure tasks, and repository management from the terminal.
Pricing
Checked October 2026 · USD- 2,000 code completions per month
- 50 Copilot Chat messages per month
- Access to base AI models
- VS Code and GitHub.com integration
- Unlimited code completions
- $15/month in GitHub AI Credits ($10 base plus $5 flex allotment)
- Access to premium models (OpenAI GPT, Claude, Gemini)
- Copilot Chat, Edits, and Agent Mode
- Copilot CLI access
- $70/month in GitHub AI Credits ($39 base plus $31 flex allotment)
- Delegation to third-party coding agents
- Priority access to frontier and reasoning models
- All Pro features with higher usage allowances
- Early access to new Copilot capabilities
- $200/month in GitHub AI Credits ($100 base plus $100 flex allotment)
- Built for sustained, agent-driven workflows
- Unlimited code completions
- $19/month AI Credits per user
- Organization-level policy and access management
- Audit logs and compliance reporting
- SSO and SCIM support
- $39/month AI Credits per user
- Copilot Knowledge Bases from private repositories
- Fine-tuned models on organization codebase
- Enterprise security, compliance, and dedicated support SLA