OpenAIAnthropicGooglexAIPerplexity
← Back to all updatesPublished ·Anthropic• Minor
Messages API responses now report billed output tokens used for extended thinking.
The read
Cost accounting gets a direct field for extended thinking inside the normal Messages API response.
The frame
For streaming builds, read the final message_delta event to capture the extended thinking token breakdown.
Primary source
Anthropic →Keep reading
See what Nova3 builds →Related updates
- Jul 13, 2026ChatGPT now lets users delete memory-summary memories and turn memory off from the three-dot menu.
- Jul 13, 2026GET /v1/environments/{id}/work is now available on Claude Platform on AWS for self-hosted sandboxes.
- Jul 13, 2026Codex added rate-limit reset banking and referral invitations for eligible Plus and Pro users.
This is the world we build in. It moves this fast. We move with it.
Bring us your project →