Set Up Providers¶

OpenAI¶

export OPENAI_API_KEY="sk-xxx"
perspt chat --model gpt-4.1

Supported models: gpt-4.1, gpt-4.1-mini, gpt-4.1-nano, o4-mini, o3, and others listed by perspt --list-models.

export ANTHROPIC_API_KEY="sk-ant-xxx"
perspt chat --model claude-sonnet-4-20250514

Supported models: claude-sonnet-4-20250514, claude-opus-4-20250514 and others.

export GEMINI_API_KEY="AIza..."
perspt chat --model gemini-3.1-flash-lite-preview

Supported models: gemini-pro-latest, gemini-3.1-flash-lite-preview, gemini-2.0-flash, and others.

export GROQ_API_KEY="gsk_xxx"
perspt chat --model llama-3.3-70b-versatile

Groq provides ultra-fast inference for open-source models.

export COHERE_API_KEY="xxx"
perspt chat --model command-r-plus

export XAI_API_KEY="xxx"
perspt chat --model grok-3-mini-fast

export DEEPSEEK_API_KEY="xxx"
perspt chat --model deepseek-chat

No API key needed. Ollama is the fallback when no cloud keys are set.

# Start Ollama
ollama serve

# Pull a model
ollama pull llama3.2

# Use with Perspt
perspt chat --model llama3.2

Multiple concurrent models are supported. Use ollama list to see installed models.