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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 August 5, 2026.

Top pick100GPT-5.5 Compact Chat x402100% uptime · from $0.0001 – $10/call
BestCheapestMost reliableAll LLM Inference →
# API
1 $109.49* ▼ 99.4% 9,426 ▼ 63.3% $0.0001 – $10 226 7163 ms 100
2 $449.44* ▼ 98.9% 12,689 ▲ 61.6% $0.00105 – $0.013 2 3924 ms 98
3 $11.5k ▼ 95.9% 105,701+ ▲ 76.2% $0.0005 – $1 7 — 95
4 $14.9k* ▼ 100.0% 262,042+ $0.00105 – $0.0105 19 2774 ms 93
5 $2.29 ▼ 93.7% 763 ▼ 16.3% $0.003 16 — 90
6 $2.2k ▼ 100.0% 893 ▲ 140.0% $0.0079 – $0.983 24 — 90
7 $27.19* ▼ 91.8% 669 ▼ 23.2% $0.01 – $0.25 51 — 89
8 $2.53* ▼ 100.0% 482 ▼ 96.0% $0.002 – $0.005 4 — 87
9 $5.95* ▼ 95.8% 340 ▼ 86.7% $0.001 – $0.1 159 — 85
10 $0.40* ▼ 97.4% 251 ▲ 25.0% $0.001 – $0.005 5 — 84
11 $110.73* ▼ 89.8% 221 ▲ 250.0% $0.001 – $5 15 — 83
12 $1.07 ▼ 99.1% 170 ▼ 60.0% $0.006 2 — 82
13 $125.00* ▼ 90.7% 189 ▲ 409.7% $0.02 1 — 82
14 $680.81* ▼ 97.1% 4,537 ▼ 67.5% $0.25 1 — 81
15 $1.88 ▼ 92.6% 148 ▼ 44.4% $0.001 – $0.15 19 — 81
16 $2.79* ▼ 94.7% 147 ▼ 78.0% $0.01 – $0.04 18 — 81
17 $0.53 ▼ 98.1% 119 ▼ 66.7% $0.005 8 — 80
18 $175.20* ▼ 95.2% 1,450 ▼ 89.6% $0.02 – $1 187 — 80
19 $0.55 ▼ 98.1% 107 ▼ 72.4% $0.005694 – $0.135168 3 — 79
20 $0.96 ▲ 20.5% 91 ▲ 88.2% $0.003 2 — 79
21 $21.08* ▼ 85.8% 411 ▲ 27.8% $0.02 – $1 3 — 79
22 $0.25* ▼ 100.0% 83 ▲ 200.0% $0.001 – $0.005 6 — 78
23 $0.44* ▼ 100.0% 87 ▼ 100.0% $0.005 1 — 78
24 $0.96* ▼ 100.0% 65 $0.005 – $0.05 17 — 77
25 $0.71* ▼ 100.0% 74 ▼ 100.0% $0.00005 – $0.05 16 — 77
26 $3.90 ▼ 49.4% 64 ▲ 0.0% $0.01 – $100 40 — 77
27 $555.23* ▼ 92.2% 582 ▼ 54.9% $10 20 — 77
28 $0.94* ▼ 80.8% 62 ▲ 70.0% $0.001 1 — 77
29 $0.94* ▼ 80.8% 62 ▲ 70.0% $0.05 1 — 77
30 $0.94* ▼ 80.8% 62 ▲ 70.0% $0.01 1 — 77
31 $27.91* ▼ 89.9% 56 ▼ 14.3% $0.005 – $2 28 — 76
32 $15.20* ▼ 79.8% 105 ▲ 66.7% $0.05 – $0.25 15 — 76
33 $0.22* ▼ 90.9% 43 ▲ 200.0% $0.01 1 — 75
34 $0.07* ▼ 100.0% 46 ▲ 100.0% $0.001 – $0.01 26 — 75
35 $9.42* ▼ 94.4% 78 ▼ 55.6% $0.01 – $0.25 6 — 75
36 $1.00* ▼ 91.3% 50 ▼ 28.6% $0.02 – $0.1 61 — 75
37 $0.10* 49 ▲ 100.0% $0.001 – $0.005 10 — 75
38 $0.49 ▼ 97.9% 49 ▼ 80.0% $0.01 19 — 75
39 $2.05* ▼ 100.0% 37 ▼ 100.0% $0.02 – $0.1 18 — 74
40 $8.88* ▼ 100.0% 41 ▼ 100.0% $0.03 – $1 33 — 74
41 $0.22* ▼ 100.0% 39 $0.000199 – $0.4 16 — 74
42 $15.85* ▼ 100.0% 32 ▼ 100.0% $0.1 – $5 7 — 73
43 $3.05* ▼ 100.0% 30 ▼ 100.0% $0.02 – $0.5 3 — 73
44 $3.91 ▼ 100.0% 76 $0.002 – $0.25 122 — 72
45 $0.18* ▼ 100.0% 25 ▼ 100.0% $0.003 – $0.02 26 — 72
46 $0.36* ▼ 97.1% 24 ▲ 100.0% $0.005 – $0.02 7 — 72
47 $1.02* ▼ 100.0% 24 ▼ 100.0% $0.002 – $0.05 6 — 72
48 $0.69 ▼ 100.0% 24 ▲ 100.0% $0.01 – $0.2 24 — 72
49 $1.06* ▼ 100.0% 22 ▼ 90.0% $0.05 5 — 71
50 $0.84 ▼ 70.0% 21 ▲ 200.0% $0.01 – $0.08 2 — 71
100 rows · page 1/2

FAQ

What is the cheapest x402 LLM Inference API?
tokensqueezer-production.up.railway.app — from $0.00005 – $0.05 per call.
Which x402 LLM Inference API is the most reliable?
GPT-5.5 Compact Chat x402, at 100% measured uptime.
What is the best x402 LLM Inference API right now?
GPT-5.5 Compact Chat x402, with the highest 402radar Trust score (100).
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.