>Sonnet 4.5 Usage Statistics

Based on data from 21 developers on clawdboard, the average estimated Sonnet 4.5 usage cost is $16.73 per developer (all-time). The median is $5.14. These are estimated API-equivalent costs calculated from token counts and published Anthropic pricing — most developers pay flat subscription fees, not per-token billing.

Sonnet 4.5 ranks #15 out of 50 tracked models by total estimated cost, accounting for 0.4% of all community spend on clawdboard. 21 developers have used Sonnet 4.5. Higher-tier models often dominate cost share even with fewer users due to higher per-token pricing.

Sonnet 4.5 is Anthropic's balanced model offering strong coding ability with faster response times and lower cost per token than Opus. Developers use it through AI coding tools tracked by clawdboard — including Claude Code, OpenCode, and Codex CLI. The token ratio for Sonnet 4.5 is 88% input / 12% output, indicating how developers interact with the model.

All data comes from developers who voluntarily track their AI coding usage through clawdboard. The CLI reads local log files from supported tools on each developer's machine and extracts aggregate token counts and model identifiers. No code, prompts, or conversation content is collected — only token counts and estimated costs.

Individual developers sync their usage every 2 hours by default. The aggregate statistics on this page are recalculated hourly. Sonnet 4.5 has been tracked on clawdboard since January 9, 2026.