Tidelines — LLM usage and market share

Head to head · 2026-10-14

Anthropic logoAnthropic: Claude Sonnet 5.5 vs StepFun logoStepFun: Step 5 Preview

Data source

Token share

Anthropic logoAnthropic: Claude Sonnet 5.5

1.47%

StepFun logoStepFun: Step 5 Preview

14.17%

30d Δ

Anthropic logoAnthropic: Claude Sonnet 5.5

+1.07pp

StepFun logoStepFun: Step 5 Preview

+11.59pp

Price — $ / M output

Anthropic logoAnthropic: Claude Sonnet 5.5

$10.00

StepFun logoStepFun: Step 5 Preview

$2.70

Context window

Anthropic logoAnthropic: Claude Sonnet 5.5

1000k

StepFun logoStepFun: Step 5 Preview

1049k

Share of tokens over time

Tidelines — LLM usage and market share
Source: OpenRouter (openrouter.ai/rankings), as of 2026-10-14. Vercel AI Gateway data as of 2026-10-14. · tidelines.ai/compare/anthropic-claude-sonnet-5-5-20260928-vs-stepfun-step-5-preview-20261008

Detail pages: Anthropic: Claude Sonnet 5.5 · StepFun: Step 5 Preview