**Added:**
- Under the February 5, 2026 entry: *“The 1M token context window is now available in beta for Claude Opus 4.6, in addition to Sonnet 4.5 and Sonnet 4. Long context pricing applies to requests exceeding 200k input tokens.”*
- Under the February 24th, 2025 entry: *“computer_20250124: Updated computer use tool with new command options including 'hold_key', 'left_mouse_down', 'left_mouse_up', 'scroll', 'triple_click', and 'wait'. This tool requires the 'computer-use-2025-01-24' anthropic-beta header. Learn more in Tool use with Claude.”*

**Removed:**
- The date entry “May 10th, 2024” from the historical list.
- The previous bullet about the 1M token context window beta for Claude Opus 4.6: *“The 1M token context window is now available in beta for Claude Opus 4.6, in addition to Sonnet 4.5 and Sonnet 4. applies to requests exceeding 200k input tokens.”*
- The standalone line “Long context pricing”.
- The previous bullet about the computer use tool: *“computer_20250124: Updated computer use tool with new command options including 'hold_key', 'left_mouse_down', 'left_mouse_up', 'scroll', 'triple_click', and 'wait'. This tool requires the 'computer-use-2025-01-24' anthropic-beta header. Learn more in Tool use with Claude.”*