Google Antigravity
Google Antigravity
VS
OpenCode
OpenCode

Google Antigravity vs OpenCode — Which AI Agent Is Better?

An in-depth comparison of Google Antigravity and OpenCode across output quality, autonomy, reliability, speed, value, and ease of use. Vote for your favorite.

Community Vote

Pick a winner in each category — you can change your vote anytime.

Output Quality
Writes correct, production-ready code and answers
Autonomy
Completes multi-step tasks end-to-end without hand-holding
Reliability
Consistent results — doesn't go off the rails or break
Speed
Fast responses and quick task turnaround
Value
What you get for what you pay
Ease of Use
From install to first useful result with minimal friction
Antigravity
OpenCode
Category
Coding Agent
Coding Agent
Pricing
Free public preview
Free (BYO API key) / Pro via Standard Compute
Open Source
No
Yes
Best For
Developers who want to try the most agentic IDE experience available today
Terminal users who want a polished AI coding interface with LSP support
Key Features
Agent manager for parallel agents, Editor + terminal + browser control, Verifiable artifacts (plans, recordings)
Beautiful terminal TUI, Multi-provider support, LSP integration

Verdict: Antigravity or OpenCode?

Updated 2026-07-04

Choose Google Antigravity if you are developers who want to try the most agentic IDE experience available today. Choose OpenCode if you are terminal users who want a polished AI coding interface with LSP support.

In our editorial scoring, Google Antigravity leads in 2 of six categories (output quality and autonomy), while OpenCode leads in 1 (reliability). On price, Google Antigravity runs free public preview and is proprietary; OpenCode runs free (byo api key) / pro via standard compute and is open source.

Where OpenCode falls short
  • Terminal-only — no editor integration
  • Younger project with a smaller plugin ecosystem
Full OpenCode review →

In-Depth Comparison

Google Antigravity Overview

Antigravity is Google's agentic development platform, launched alongside Gemini 3: a VS Code-style IDE where an agent manager dispatches agents that work across the editor, terminal, and a Chrome browser they control — producing verifiable artifacts (plans, screenshots, browser recordings) as they go. The free public preview and Gemini 3 Pro quality made it an instant heavyweight, but it's still early: capacity limits, preview rough edges, and early prompt-injection concerns around the browser-control surface mean production teams should keep a human on the loop.

OpenCode Overview

OpenCode is an open-source terminal AI coding agent with a beautiful TUI (text user interface). It supports multiple LLM providers, has LSP integration for intelligent code understanding, and offers session management for long-running tasks. Designed for developers who live in the terminal.

Score Breakdown

Output Quality
8.5
vs
8.0
Autonomy
9.0
vs
7.5
Reliability
7.0
vs
7.5
Speed
8.0
vs
8.0
Value
9.0
vs
9.0
Ease of Use
8.0
vs
8.0

Features

Antigravity
  • Agent manager for parallel agents
  • Editor + terminal + browser control
  • Verifiable artifacts (plans, recordings)
  • Gemini 3 Pro (plus other frontier models)
  • Cross-surface task orchestration
  • Free public preview
OpenCode
  • Beautiful terminal TUI
  • Multi-provider support
  • LSP integration
  • Session management
  • File editing & creation
  • Shell command execution

Whichever you pick — run it on unlimited compute

Both work with any OpenAI-compatible provider. Point the base URL at Standard Compute and get unlimited frontier-model compute from $9/mo flat — no per-token billing, no 429 rate limits.

OpenCode setup guide →

Power any agent with unlimited tokens

Whichever AI agent you choose, Standard Compute gives you unlimited LLM compute at one flat monthly price. No rate limits, no per-token billing.

Get My API Key
No credit card required · Free tier included

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