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Model Accuracy
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How well do model estimates predict actual price direction?
Backtest measures each model's own estimate (no analyst blending), scoped to the current engine version.
All
Finland
USA
1 Day
5 Days
Model Accuracy — 1 Day
Model
Directional Accuracy
Mean Absolute Error
Prediction Bias
Hit Rate (±5%)
N
Gemini
51.6%
25.6%
-8%
9%
781
Grok
51.1%
26.6%
-18.7%
8.7%
785
Claude
50.9%
23.9%
-7.2%
22.1%
786
GPT
50.2%
27.2%
-17.5%
11.9%
789
DeepSeek
50.1%
24.6%
-16.1%
12.4%
781
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Directional Accuracy
Directional accuracy vs actual price changes
v8.1
0%
25%
50%
75%
100%
14.7.
29.7.
14.8.
31.8.
16.9.
1.10.
15.10.
DeepSeek
Claude
Gemini
Grok
GPT
DeepSeek
50.1%
Claude
50.9%
Gemini
51.6%
Grok
51.1%
GPT
50.2%
Accuracy metrics are based on short-term price movements and limited data. They do not indicate future prediction quality.
Model Accuracy & Backtesting — AI Investor Barometer