What happened
OpenAI has started showing advertisements to ChatGPT users in India.
Anthropic responded by confirming that its rival chatbot Claude will remain free of ads.
Why it matters
The move signals that OpenAI may be testing advertising as a way to make ChatGPT financially sustainable beyond subscriptions.
Anthropic's explicit no-ads pledge creates a clear distinction between the two competing AI assistants.
Key facts
OpenAI is rolling out ads on ChatGPT for users in India.
Anthropic says its Claude chatbot will remain ad-free.
What to watch next
Whether OpenAI expands the ad rollout to other markets.
How users respond to ads in ChatGPT and whether Claude's ad-free stance attracts more users.