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Best x402 LLM Inference APIs

100 x402 LLM Inference APIs catalogued, ranked by Trust score (uptime, success rate, latency and price, on real traffic). Updated June 22, 2026.

Top pick92Utilsforagents84% uptime · from $0.003/call
BestCheapestMost reliableAll LLM Inference
# API
1 $3.38 41.7% 1,128 54.4% $0.003 16 129 ms 92
2 $191.77 878.4% 1,345 75.6% $0.003301 – $0.983 24 498 ms 91
3 $0.37* 231 44.4% $0.001 – $0.005 5 44 ms 83
4 $9.55* 203 100.0% $0.01 – $0.25 50 48 ms 83
5 $24.96 79.8% 563 41.4% $0.002 – $0.25 108 461 ms 83
6 $0.65* 550.0% 215 8.3% $0.002 – $0.005 4 197 ms 83
7 $103.72* 999.0% 827 100.0% $0.02 – $1 173 326 ms 82
8 $9.7k 619.0% 125,496+ 31.3% $0.0005 – $1 7 291 ms 81
9 $2.44 89.0% 113 42.9% $0.01 – $100 39 626 ms 80
10 $0.28* 133 50.0% $0.0001 – $0.066667 120 700 ms 80
11 $0.13* 999.0% 116 170.8% $0.001 – $0.003 18 35 ms 80
12 $15.00* 29.5% 312 62.1% $0.02 – $1 3 535 ms 79
13 $6.31* 934.4% 101 600.0% $0.001 – $0.005 6 305 ms 79
14 $0.39* 77 41.7% $0.005 1 179 ms 78
15 $0.33 999.0% 69 85.4% $0.005 8 184 ms 77
16 $464.48* 91.4% 561 46.0% $10 20 135 ms 77
17 $41.3k* 999.0% 358,567+ 17.7% $0.001025 – $0.01025 19 228 ms 77
18 $0.29* 262.5% 57 10.0% $0.01 1 86 ms 76
19 $1.01* 1.0% 57 61.5% $0.005 – $0.02 7 94 ms 76
20 $2.89* 55 100.0% $0.01 – $2 4 330 ms 76
21 $0.09* 95.8% 58 68.8% $0.001 – $0.01 26 47 ms 76
22 $0.35 94.4% 43 90.9% $0.006 2 857 ms 75
23 $7.89* 381.1% 447 14.7% $0.001 – $0.1 159 156 ms 75
24 $0.81 710.0% 51 57.1% $0.001 – $0.15 19 523 ms 75
25 $0.97* 999.0% 66 20.0% $0.005 – $0.05 17 319 ms 75
26 $0.17 55.3% 47 100.0% $0.003 2 364 ms 75
27 $1.39 110.6% 40 16.7% $0.01 – $0.2 24 230 ms 74
28 $3.54* 941.2% 141 999.0% $0.02 – $0.1 61 213 ms 74
29 $11.37* 999.0% 36 0.0% $0.01 1 254 ms 74
30 $0.65 170.8% 65 46.2% $0.01 18 214 ms 74
31 $0.22* 38 33.3% $0.001536 – $0.054 14 603 ms 74
32 $22.23* 561.6% 196 12.5% $0.05 – $0.25 15 58 ms 73
33 $1.95* 32 37.5% $0.02 – $0.1 18 180 ms 73
34 $11.01* 46 36.4% $0.1 – $1 2 285 ms 72
35 $2.19* 27 $0.005 – $0.5 20 250 ms 72
36 $0.23* 228.6% 27 83.3% $0.003 – $0.02 26 342 ms 72
37 $0.73* 30.4% 26 80.0% $0.01 – $0.05 10 146 ms 72
38 $15.93 126 $0.05 – $0.15 10 152 ms 71
39 $4.66 55.3% 24 33.3% $0.005 – $0.5 9 152 ms 71
40 $1.65 83.5% 22 0.0% $0.01 – $0.08 2 278 ms 71
41 $0.47* 69.7% 19 75.0% $0.01 – $0.1 16 198 ms 70
42 $0.54* 63.6% 18 100.0% $0.02 – $0.05 3 108 ms 70
43 $9.70* 17 12.5% $0.1 – $5 5 820 ms 70
44 $1.30* 17 300.0% $0.02 – $0.5 3 76 ms 70
45 $0.88 41.9% 16 66.7% $0.02 – $0.1 8 153 ms 69
46 $0.06 99.3% 15 50.0% $0.005694 – $0.135168 3 277 ms 69
47 $1.95 0.0% 15 50.0% $0.05 – $0.25 2 282 ms 69
48 $1.32* 14 100.0% $0.01 – $0.25 6 306 ms 69
49 $14.03* 9.2% 65 25.0% $0.03 – $1 33 24 ms 68
50 $2.09* 13 100.0% $0.02 – $0.25 7 857 ms 68
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FAQ

What is the cheapest x402 LLM Inference API?
GPT-5.5 Compact Chat x402 — from $0.0001 – $0.066667 per call.
Which x402 LLM Inference API is the most reliable?
www.cryptyx.ai, at 100% measured uptime.
What is the best x402 LLM Inference API right now?
Utilsforagents, with the highest 402radar Trust score (92).
How are these x402 LLM Inference APIs ranked?
By 402radar Trust — a composite of measured uptime, success rate, /quote latency and price, computed on real traffic and refreshed hourly.