Claude Code

Set the core environment variables before using Claude Code:

• ANTHROPIC_BASE_URL
• ANTHROPIC_AUTH_TOKEN

The model variables depend on the version:

• 2.x.x uses ANTHROPIC_DEFAULT_OPUS_MODEL, ANTHROPIC_DEFAULT_SONNET_MODEL, and ANTHROPIC_DEFAULT_HAIKU_MODEL
• 1.x.x uses ANTHROPIC_MODEL and ANTHROPIC_SMALL_FAST_MODEL

Examples

Gemini

export ANTHROPIC_BASE_URL=https://ai.cobitux.com
export ANTHROPIC_AUTH_TOKEN=sk-dummy
export ANTHROPIC_DEFAULT_OPUS_MODEL=gemini-2.5-pro
export ANTHROPIC_DEFAULT_SONNET_MODEL=gemini-2.5-flash
export ANTHROPIC_DEFAULT_HAIKU_MODEL=gemini-2.5-flash-lite

OpenAI GPT-5

export ANTHROPIC_BASE_URL=https://ai.cobitux.com
export ANTHROPIC_AUTH_TOKEN=sk-dummy
export ANTHROPIC_DEFAULT_OPUS_MODEL=gpt-5(high)
export ANTHROPIC_DEFAULT_SONNET_MODEL=gpt-5(medium)
export ANTHROPIC_DEFAULT_HAIKU_MODEL=gpt-5(minimal)

OpenAI GPT-5 Codex

export ANTHROPIC_BASE_URL=https://ai.cobitux.com
export ANTHROPIC_AUTH_TOKEN=sk-dummy
export ANTHROPIC_DEFAULT_OPUS_MODEL=gpt-5-codex(high)
export ANTHROPIC_DEFAULT_SONNET_MODEL=gpt-5-codex(medium)
export ANTHROPIC_DEFAULT_HAIKU_MODEL=gpt-5-codex(low)

Claude

export ANTHROPIC_BASE_URL=https://ai.cobitux.com
export ANTHROPIC_AUTH_TOKEN=sk-dummy
export ANTHROPIC_DEFAULT_OPUS_MODEL=claude-opus-4-1-20250805
export ANTHROPIC_DEFAULT_SONNET_MODEL=claude-sonnet-4-5-20250929
export ANTHROPIC_DEFAULT_HAIKU_MODEL=claude-3-5-haiku-20241022