OpenCode setup

1. Create an API key

Create a Modelflare API key whose non-default group can access gpt-5.6-sol.

2. Install OpenCode

Windows PowerShell

PowerShell

choco install opencode
opencode --version

Linux or macOS

bash

curl -fsSL https://opencode.ai/install | bash
opencode --version

3. Create opencode.json

Enter your project directory, then run the command for your system.

Windows PowerShell

PowerShell

$config = @'
{
  "$schema": "https://opencode.ai/config.json",
  "model": "modelflare/gpt-5.6-sol",
  "provider": {
    "modelflare": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "Modelflare",
      "options": { "baseURL": "https://modelflare.dev/v1" },
      "models": {
        "gpt-5.6-sol": { "name": "GPT 5.6 Sol" }
      }
    }
  }
}
'@
$utf8NoBom = New-Object System.Text.UTF8Encoding -ArgumentList $false
[System.IO.File]::WriteAllText(
  (Join-Path (Get-Location) "opencode.json"),
  $config,
  $utf8NoBom
)

Linux or macOS

bash

cat > opencode.json << 'EOF'
{
  "$schema": "https://opencode.ai/config.json",
  "model": "modelflare/gpt-5.6-sol",
  "provider": {
    "modelflare": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "Modelflare",
      "options": { "baseURL": "https://modelflare.dev/v1" },
      "models": {
        "gpt-5.6-sol": { "name": "GPT 5.6 Sol" }
      }
    }
  }
}
EOF

4. Connect your API key

Start OpenCode in the same project directory:

bash

opencode

Enter /connect, choose Other, set the provider id to modelflare, and paste your Modelflare API key.

5. Select the model and test

Enter /models, select modelflare/gpt-5.6-sol, and send:

Text

Reply with one short greeting.

A normal reply means setup is complete.