Claude Code vs Gemini CLI
Claude Code (CLI / terminal agent, $20/mo (Pro) incl. Claude Code) vs Gemini CLI (CLI / terminal agent, Free (Flash) + Google AI Pro): pricing, models, open-source status, benchmarks, and best use cases. See which AI coding agent is right for your workflow.
Claude Code
Gemini CLI
| Comparison | Claude Code | Gemini CLI |
|---|---|---|
| Category | CLI / terminal agent | CLI / terminal agent |
| Type | Terminal agent | Terminal agent |
| Vendor | Anthropic | |
| Pricing | $20/mo (Pro) incl. Claude Code | Free (Flash) + Google AI Pro |
| Open source | No | Yes |
| Models | Claude Opus 4.8, Claude Sonnet 5, Claude Haiku 4.5 | Gemini 3.1 Flash, Gemini 3.1 Pro |
| Benchmarks | SWE-bench Verified: 88.6% · Terminal-Bench: 74.6% | Not published |
| Best for | Deep reasoning, complex multi-file refactors, debugging across large codebases | Google ecosystem users, long-context tasks, low-cost experimentation on Flash |
Claude Code is proprietary and best for deep reasoning, complex multi-file refactors, debugging across large codebases. Anthropic's terminal-native coding agent. Runs in your terminal, reads your codebase, executes commands, writes and runs tests, and handles multi-file edits. With Opus 4.8 it posts 88.6% on SWE-bench Verified — the highest published score in Anthropic's Opus 4.8 table.
Gemini CLI is open source and best for google ecosystem users, long-context tasks, low-cost experimentation on flash. Google's open-source terminal agent for Gemini models. Up to 1M-token context on Pro models. Free tier is generous for Flash; Pro models need a paid Google AI or API plan.
Both tools are part of the 2026 AI coding agent landscape. The right choice depends on whether you need a CLI / terminal agent or a CLI / terminal agent, your budget, and which models you prefer. See the full list of coding agents on our coding agents page to compare more options.