OpenRouter — biggest usage movers & the price→usage link 2026-06-30 → 2026-07-06

High-frequency monitoring window only (18-month backfill excluded). Charts rebased to %% change since 2026-06-30 so every move is visible on one axis.

Biggest gainer (established)

Claude Opus 4.7 +61%

Biggest loser

Tencent hy3 −58%

GLM 5.2 after price cut

+47%

New launch ramps

10 models

① Biggest usage-share MOVERS — %% change since 2026-06-30 (raw daily)

Each model rebased to 0%% at 2026-06-30. Up = gaining traffic share, down = losing. GLM 5.2 (bold red) after its Jul-4 cut. Established models only (start share ≥1%%).

New / low-base launch ramps (excluded from chart — would distort the scale): Claude Sonnet 5 (+746%), GPT-4o-mini (+119%), GPT-5.4 (+52%), Gemini 3.1 Pro Preview (+31%), Gemma 4 26B A4B (free (+28%)

② Does price drive usage? — usage share vs blended price (2026-07-06)

Down-and-left = cheap & heavily used. Negative slope = cheaper models get more traffic, moderated by quality.

③ GLM 5.2 — price cut (Jul 4) and usage response

Daily usage share. 5.34%% (pre-cut avg) → 7.85%% (Jul 6) = +2.51pp after ~20%% price cut.

④ Efficient frontier (context) — Elo vs blended price

GLM 5.2 (red) on the frontier throughout; its Jul-4 cut shifts it left.

Usage: usage_panel.csv (datasets API, top-51/day; post-Jun-25 recovered from column-shift). Price/Elo: unified_intelligence_price.csv. Rebased = (share/start − 1)×100.