CLIChat / LLM$20.25/M tokens

Use Claude Sonnet 4.5 in Codex CLI

Connect the Claude Sonnet 4.5 API to Codex CLI through SkillBoss — one API key, no provider lock-in. Starting at $20.25/M tokens.

Claude Sonnet 4.5 via MindraCode — balanced performance and cost.

Setup in Codex CLI

  1. Sign up at skillboss.co and create an API key.
  2. Configure Codex CLI to use the SkillBoss API endpoint: https://api.skillboss.co/v1
  3. Set the model to claude-sonnet-4-5
  4. Run your first request — Claude Sonnet 4.5 is now available in Codex CLI.

Model Specs

Model
Claude Sonnet 4.5
Type
Chat / LLM
Vendor
MindraCode
Category
LLM
Pricing
$20.25/M tokens
API ID
claude-sonnet-4-5

Quick Start Code

Call Claude Sonnet 4.5 from Codex CLI using the SkillBoss unified API:

curl -X POST 'https://api.skillboss.co/v1/chat/completions' \
  -H 'Authorization: Bearer $SKILLBOSS_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "claude-sonnet-4-5",
    "messages": [{"role": "user", "content": "Hello from Codex CLI"}]
  }'

The same API key works with all 600+ models. Change the model parameter to switch instantly.

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FAQ

How do I use Claude Sonnet 4.5 in Codex CLI?

Sign up at skillboss.co, get an API key, and configure Codex CLI to use the SkillBoss API endpoint (https://api.skillboss.co/v1). Set the model to claude-sonnet-4-5 and you're ready to go.

How much does Claude Sonnet 4.5 cost?

Claude Sonnet 4.5 costs $20.25/M tokens via SkillBoss with pay-as-you-go billing. No subscription required.

Can I switch to another model without changing my code?

Yes — SkillBoss provides a unified API compatible with OpenAI format. Change the model parameter to switch between 600+ models instantly without modifying your integration.