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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 April 4, 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%. 218 models have been evaluated on this benchmark.
Last updated: April 4, 2026
Models
218
Best Score
78.8
Average
46.2
Std Dev
15.0
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 | |||
$0.300 | $1.200 | 75.7 | |||
$0.195 | $0.900 | 75.6 | |||
$0.125 | $1.000 | 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 | |||
$1.200 | $4.000 | 73.2 | |||
$0.625 | $5.000 | 73.1 | |||
$0.625 | $5.000 | 72.9 | |||
$0.163 | $0.900 | 72.5 | |||
$0.255 | $1.000 | 72.3 | |||
$0.720 | $2.300 | 72.3 | |||
$0.090 | $0.290 | 71.8 | |||
$0.118 | $0.950 | 71.6 | |||
$2.000 | $8.000 | 71.4 | |||
$0.050 | $0.200 | 71.1 | |||
$0.780 | $3.900 | 70.7 | |||
$0.625 | $5.000 | 70.6 | |||
$2.000 | $12.000 | 70.4 | |||
$15.000 | $60.000 | 70.3 | |||
$0.383 | $1.720 | 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 | |||
$0.550 | $2.200 | 68.7 | |||
$0.207 | $0.828 | 68.4 | |||
$0.550 | $2.200 | 68.1 | |||
$0.250 | $2.000 | 67.9 | |||
$0.390 | $1.750 | 67.9 | |||
$0.050 | $0.400 | 67.6 | |||
$1.100 | $4.400 | 67.1 | |||
$0.040 | $0.150 | 66.7 | |||
$0.625 | $5.000 | 66.6 | |||
$0.150 | $0.500 | 66.0 | |||
$0.050 | $0.400 | 65.9 | |||
$0.030 | $0.100 | 65.1 | |||
$0.100 | $0.300 | 64.6 | |||
$0.090 | $0.290 | 64.2 | |||
$0.400 | $1.200 | 63.9 | |||
$0.250 | $2.000 | 61.2 | |||
$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 | |||
$0.390 | $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 | |||
$0.400 | $2.000 | 53.5 | |||
$5.000 | $25.000 | 53.1 | |||
$0.200 | $0.500 | 52.7 | |||
$0.100 | $0.400 | 52.6 | |||
$0.390 | $0.900 | 51.6 | |||
$0.149 | $0.900 | 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 | |||
$2.500 | $15.000 | 48.4 | |||
$3.000 | $15.000 | 48.3 | |||
$0.780 | $3.900 | 48.0 | |||
$1.750 | $14.000 | 47.4 | |||
$0.100 | $0.320 | 47.1 | |||
$3.000 | $15.000 | 46.9 | |||
$0.195 | $0.900 | 46.9 | |||
$0.060 | $0.400 | 46.3 | |||
$0.071 | $0.100 | 46.1 | |||
$0.250 | $0.500 | 45.9 | |||
$0.625 | $5.000 | 45.6 | |||
$3.000 | $15.000 | 45.4 | |||
$5.000 | $25.000 | 44.6 | |||
$0.163 | $0.900 | 44.5 | |||
$0.600 | $2.200 | 44.1 | |||
$0.780 | $3.900 | 44.1 | |||
$3.000 | $15.000 | 44.0 | |||
$0.383 | $1.720 | 43.7 | |||
$0.390 | $1.700 | 43.4 | |||
$15.000 | $75.000 | 43.3 | |||
$0.625 | $5.000 | 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 | $2.000 | 39.0 | |||
$0.300 | $2.500 | 39.0 | |||
$0.150 | $0.580 | 38.8 | |||
$0.400 | $0.800 | 38.7 | |||
$0.200 | $0.800 | 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 | |||
$0.040 | $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 | $1.700 | 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 | |||
$2.500 | $10.000 | 36.0 | |||
$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 | |||
$0.075 | $0.200 | 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 | |||
$0.050 | $0.200 | 32.0 | |||
$0.200 | $0.200 | 32.0 | |||
$0.080 | $0.280 | 31.9 | |||
$0.200 | $0.200 | 31.9 | |||
$0.080 | $0.160 | 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 | |||
$0.100 | $0.200 | 30.4 | |||
$0.300 | $0.900 | 30.1 | |||
$0.030 | $0.110 | 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 | |||
$0.065 | $0.140 | 23.5 | |||
$0.290 | $0.290 | 22.9 | |||
$0.020 | $0.020 | 22.8 |
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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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