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IFBench Leaderboard
Instruction Following Benchmark measuring LLM ability to adhere to nuanced writing constraints and formatting requirements.
Data from Artificial Analysis
As of March 15, 2026, the top-scoring model on IFBench is Qwen3.5 397B A17B at 78.8%, followed by Gemini 3 Flash Preview at 78.0% and GPT-5.2-Codex at 77.6%. 210 models have been evaluated on this benchmark.
Last updated: March 15, 2026
Models
210
Best Score
78.8
Average
45.8
Std Dev
14.9
Categories
Instruction Following
SourceArtificial Analysis
Provider | Model | Input $/M | Output $/M | IFBench | Actions |
|---|---|---|---|---|---|
$0.390 | $0.900 | 78.8 | |||
$0.500 | $3.000 | 78.0 | |||
$1.750 | $14.000 | 77.6 | |||
$0.260 | $2.080 | 75.7 | |||
$0.195 | $1.560 | 75.6 | |||
$0.250 | $2.000 | 75.4 | |||
$10.500 | $84.000 | 75.4 | |||
$1.750 | $14.000 | 75.4 | |||
$1.250 | $10.000 | 74.1 | |||
$2.500 | $15.000 | 73.9 | |||
$1.250 | $10.000 | 73.1 | |||
$1.250 | $10.000 | 72.9 | |||
$0.163 | $1.000 | 72.5 | |||
$0.255 | $1.000 | 72.3 | |||
$0.720 | $2.300 | 72.3 | |||
$0.090 | $0.290 | 71.8 | |||
$0.250 | $0.950 | 71.6 | |||
$2.000 | $8.000 | 71.4 | |||
$0.050 | $0.200 | 71.1 | |||
$0.780 | $3.900 | 70.7 | |||
$1.250 | $10.000 | 70.6 | |||
$2.000 | $12.000 | 70.4 | |||
$15.000 | $60.000 | 70.3 | |||
$0.450 | $2.200 | 70.2 | |||
$1.250 | $10.000 | 70.0 | |||
$0.270 | $0.950 | 69.9 | |||
$0.250 | $0.750 | 69.8 | |||
$0.039 | $0.100 | 69.0 | |||
$1.100 | $4.400 | 68.7 | |||
$0.207 | $0.828 | 68.4 | |||
$0.550 | $2.200 | 68.1 | |||
$0.250 | $2.000 | 67.9 | |||
$0.380 | $1.750 | 67.9 | |||
$0.050 | $0.400 | 67.6 | |||
$1.100 | $4.400 | 67.1 | |||
$0.050 | $0.150 | 66.7 | |||
$1.250 | $10.000 | 66.6 | |||
$0.150 | $0.500 | 66.0 | |||
$0.050 | $0.400 | 65.9 | |||
$0.030 | $0.100 | 65.1 | |||
$0.090 | $0.290 | 64.2 | |||
$0.400 | $1.200 | 63.9 | |||
$0.060 | $0.400 | 60.8 | |||
$0.260 | $0.380 | 60.7 | |||
$0.039 | $0.100 | 58.3 | |||
$5.000 | $25.000 | 58.0 | |||
$3.000 | $15.000 | 57.3 | |||
$0.210 | $0.790 | 57.0 | |||
$3.000 | $15.000 | 56.6 | |||
$15.000 | $75.000 | 55.4 | |||
$0.720 | $2.300 | 55.2 | |||
$0.500 | $3.000 | 55.1 | |||
$3.000 | $15.000 | 54.7 | |||
$0.380 | $1.750 | 54.6 | |||
$1.000 | $5.000 | 54.3 | |||
$0.270 | $0.410 | 54.1 | |||
$0.780 | $3.900 | 53.8 | |||
$15.000 | $75.000 | 53.7 | |||
$3.000 | $15.000 | 53.7 | |||
$5.000 | $25.000 | 53.1 | |||
$0.200 | $0.500 | 52.7 | |||
$0.100 | $0.400 | 52.6 | |||
$0.390 | $0.900 | 51.6 | |||
$0.110 | $0.600 | 51.2 | |||
$0.260 | $2.080 | 50.8 | |||
$0.200 | $0.500 | 50.5 | |||
$0.300 | $2.500 | 50.3 | |||
$0.100 | $0.400 | 49.9 | |||
$0.200 | $0.200 | 49.8 | |||
$0.150 | $0.500 | 49.1 | |||
$0.260 | $0.380 | 49.0 | |||
$1.000 | $10.000 | 48.7 | |||
$3.000 | $15.000 | 48.3 | |||
$1.200 | $6.000 | 48.0 | |||
$0.875 | $7.000 | 47.4 | |||
$0.100 | $0.320 | 47.1 | |||
$3.000 | $15.000 | 46.9 | |||
$0.195 | $1.560 | 46.9 | |||
$0.060 | $0.400 | 46.3 | |||
$0.071 | $0.100 | 46.1 | |||
$0.250 | $0.500 | 45.9 | |||
$1.250 | $10.000 | 45.6 | |||
$3.000 | $15.000 | 45.4 | |||
$5.000 | $25.000 | 44.6 | |||
$0.163 | $1.000 | 44.5 | |||
$0.600 | $2.200 | 44.1 | |||
$1.200 | $6.000 | 44.1 | |||
$3.000 | $15.000 | 44.0 | |||
$0.450 | $2.200 | 43.7 | |||
$0.390 | $1.740 | 43.4 | |||
$15.000 | $75.000 | 43.3 | |||
$1.250 | $10.000 | 43.2 | |||
$0.270 | $0.410 | 43.1 | |||
$0.150 | $0.600 | 43.0 | |||
$2.000 | $8.000 | 43.0 | |||
$5.000 | $25.000 | 43.0 | |||
$0.800 | $4.000 | 42.8 | |||
$0.200 | $0.880 | 42.7 | |||
$3.000 | $15.000 | 42.7 | |||
$3.000 | $15.000 | 42.4 | |||
$1.000 | $5.000 | 42.0 | |||
$0.100 | $0.400 | 41.8 | |||
$0.400 | $2.000 | 41.7 | |||
$0.080 | $0.280 | 41.5 | |||
$0.550 | $2.200 | 41.5 | |||
$0.150 | $0.750 | 41.5 | |||
$0.120 | $0.200 | 41.5 | |||
$0.200 | $1.500 | 41.4 | |||
$0.400 | $1.760 | 41.2 | |||
$0.210 | $0.790 | 41.2 | |||
$3.000 | $15.000 | 41.2 | |||
$0.200 | $0.770 | 41.0 | |||
$0.060 | $0.200 | 40.5 | |||
$0.220 | $0.900 | 40.5 | |||
$0.300 | $2.500 | 40.5 | |||
$0.100 | $0.400 | 40.2 | |||
$0.090 | $0.290 | 39.9 | |||
$0.400 | $2.000 | 39.8 | |||
$0.090 | $0.780 | 39.7 | |||
$0.450 | $2.150 | 39.6 | |||
$0.080 | $0.300 | 39.5 | |||
$0.400 | $2.000 | 39.3 | |||
$0.104 | $0.416 | 39.2 | |||
$0.200 | $0.600 | 39.2 | |||
$0.280 | $0.900 | 39.1 | |||
$0.900 | $0.900 | 39.0 | |||
$0.550 | $2.190 | 39.0 | |||
$0.300 | $2.500 | 39.0 | |||
$0.150 | $0.400 | 38.8 | |||
$0.400 | $0.800 | 38.7 | |||
$0.400 | $1.600 | 38.3 | |||
$0.800 | $3.200 | 38.1 | |||
$0.050 | $0.200 | 38.1 | |||
$0.400 | $0.900 | 38.1 | |||
$0.150 | $0.750 | 37.8 | |||
$0.050 | $0.150 | 37.8 | |||
$0.200 | $0.500 | 37.7 | |||
$0.130 | $0.850 | 37.6 | |||
$0.050 | $0.200 | 37.5 | |||
$0.510 | $0.740 | 37.1 | |||
$0.100 | $0.400 | 37.0 | |||
$0.120 | $0.390 | 36.9 | |||
$0.040 | $0.130 | 36.7 | |||
$0.390 | $1.740 | 36.7 | |||
$0.400 | $0.800 | 36.6 | |||
$2.500 | $10.000 | 36.5 | |||
$0.200 | $0.500 | 36.5 | |||
$0.080 | $0.240 | 36.3 | |||
$2.500 | $12.500 | 36.2 | |||
$0.250 | $1.250 | 36.1 | |||
$2.000 | $8.000 | 35.2 | |||
$0.120 | $0.750 | 35.2 | |||
$0.200 | $0.770 | 34.8 | |||
$1.000 | $3.000 | 34.8 | |||
$0.070 | $0.280 | 34.6 | |||
$2.000 | $6.000 | 34.5 | |||
$0.340 | $0.390 | 34.4 | |||
$0.600 | $1.800 | 34.2 | |||
$0.060 | $0.240 | 34.1 | |||
$0.200 | $1.100 | 34.0 | |||
$0.050 | $0.200 | 33.5 | |||
$0.200 | $0.200 | 33.5 | |||
$0.060 | $0.180 | 33.5 | |||
$0.090 | $0.300 | 33.1 | |||
$0.130 | $0.520 | 33.1 | |||
$0.100 | $0.400 | 32.9 | |||
$0.100 | $0.200 | 32.8 | |||
$0.070 | $0.270 | 32.7 | |||
$1.000 | $3.000 | 32.7 | |||
$0.200 | $0.200 | 32.5 | |||
$0.050 | $0.400 | 32.5 | |||
$0.080 | $0.200 | 32.3 | |||
$0.100 | $0.400 | 32.0 | |||
$0.200 | $0.200 | 32.0 | |||
$0.080 | $0.280 | 31.9 | |||
$0.200 | $0.200 | 31.9 | |||
$0.030 | $0.110 | 31.8 | |||
$2.000 | $6.000 | 31.6 | |||
$0.080 | $0.240 | 31.5 | |||
$0.100 | $0.400 | 31.5 | |||
$0.130 | $0.400 | 31.3 | |||
$2.000 | $6.000 | 31.2 | |||
$0.150 | $0.600 | 31.0 | |||
$0.900 | $0.900 | 30.7 | |||
$0.049 | $0.049 | 30.4 | |||
$0.300 | $0.900 | 30.1 | |||
$0.100 | $0.300 | 29.9 | |||
$0.400 | $2.000 | 29.9 | |||
$0.035 | $0.140 | 29.4 | |||
$0.150 | $0.150 | 29.1 | |||
$0.130 | $0.400 | 29.0 | |||
$0.020 | $0.050 | 28.6 | |||
$0.050 | $0.200 | 28.6 | |||
$0.600 | $1.800 | 28.6 | |||
$0.040 | $0.080 | 28.3 | |||
$0.020 | $0.040 | 27.9 | |||
$0.300 | $0.900 | 27.9 | |||
$0.700 | $0.800 | 27.6 | |||
$0.040 | $0.160 | 27.6 | |||
$0.040 | $0.160 | 27.1 | |||
$0.200 | $0.200 | 26.9 | |||
$0.050 | $0.080 | 26.4 | |||
$0.010 | $0.020 | 26.3 | |||
$0.030 | $0.050 | 26.2 | |||
$0.200 | $0.200 | 25.9 | |||
$0.030 | $0.040 | 24.6 | |||
$0.060 | $0.200 | 23.9 | |||
$0.060 | $0.140 | 23.5 | |||
$0.290 | $0.290 | 22.9 | |||
$0.020 | $0.020 | 22.8 |
Pricing from OpenRouter. Benchmarks from Artificial Analysis.
108 out of our 483 tracked models have had a price change in March.
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About IFBench
Instruction Following Benchmark measuring LLM ability to adhere to nuanced writing constraints and formatting requirements.
This leaderboard shows all models with IFBench benchmark scores, ranked from highest to lowest. Pricing data is included to help you compare performance against cost.
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