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Using TexAPI with Gemini CLI

What is Gemini CLI?

Gemini CLI is Google's terminal-based AI coding assistant powered by Gemini models.

Why use TexAPI with Gemini CLI?

Up to 50% cheaper than official Google pricing
Access Gemini 2.5 Pro & Flash
Combined billing with Claude and GPT models
No Google Cloud setup required

Setup

macOS / Linux

export GEMINI_API_BASE=https://texapi.dev/v1
export GEMINI_API_KEY=tex-YOUR_API_KEY

Add to ~/.bashrc or ~/.zshrc for persistence.

Windows (PowerShell)

$env:GEMINI_API_BASE = "https://texapi.dev/v1"
$env:GEMINI_API_KEY = "tex-YOUR_API_KEY"

Verify

gemini

Supported Models

Model	Best For	Cost
`gemini-2.5-pro`	Complex reasoning	1.25 / 10.0 credits per 1M tokens
`gemini-2.5-flash`	Fast responses	0.15 / 0.6 credits per 1M tokens

Troubleshooting

"API key invalid"

Make sure you're using a TexAPI key (tex-...), not a Google AI Studio key
Verify the key is active in your dashboard

"Connection refused"

Check that GEMINI_API_BASE is set to https://texapi.dev/v1

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