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IOI V2

A bird's-eye view of the benchmark: what it measures and every AI IQ chart built on it.

About IOI V2

IOI V2 does not yet have two source-matched reasoning-effort score/cost rows for one model. The Cost Efficiency surface is reserved at the top of this page and will populate when qualifying data is imported.

IOI V2 Cost Efficiency
IOI V2 Cost Efficiency
Source-backed reasoning and nonreasoning configurations plotted against runtime effective cost. Each line is one canonical model. Color = provider.

How to read this chart

This chart compares source-backed IOI V2 configurations with runtime effective cost. Multiple reasoning levels for the same model are connected; models with one available level remain standalone points. Up and to the left is better.

Data sources
Artificial AnalysisARC PrizeVals Index v2 Cost per TestVals.aiVals.ai IOI V2
IOI V2 Scores
IOI V2 Scores
2024–2026 olympiad tasks, no interactive grading feedback. Version 2 only; separately calibrated from archived V1. Contributes to Programmatic Reasoning using a provisional calibrated scale.

How to read this chart

Bars rank models by the source-backed benchmark value used for this chart. Longer bars indicate higher published scores.

Data sources
Vals.ai IOI V2
Data updated Sep 22, 2026
IOI V2 vs Effective Cost
IOI V2 vs Effective Cost
X = effective cost (log). Y = IOI V2. 2024–2026 olympiad tasks, no interactive grading feedback. Version 2 only; separately calibrated from archived V1.
Controls:
IOI V21:1Cost

How to read this chart

Each point is a public model. The chart compares IOI V2 (%) against Effective Cost (per 1M I/O Tokens), with color showing the model provider.

Data sources
Artificial AnalysisARC PrizeVals Index v2 Cost per TestVals.aiVals.ai IOI V2

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