Alternatives to Prompt-optimizer

25 equivalent x402 APIs in the llm-inference category, ranked by Trust score — pick a cheaper or more reliable source. View Prompt-optimizer →

#	API	Volume 30d↕	Payments 30d↕	Price / call↕	Endpoints↕	Latency↕	Trust↕
1	Cluster Protocolapi.clusterprotocol.aiBaseLLM Inference	$65.7k	67,874+▼ 100.0%	$0.003 – $1	7	291 ms	96
2	api.jarvisclaw.aiapi.jarvisclaw.aiBaseLLM Inference	$420.79*	6,909▲ 493.3%	$0.00115 – $0.013	18	419 ms	96
3	tools.halowerk.comtools.halowerk.comBaseLLM Inference	$3.32*	1,461▲ 437.5%	$0.001 – $0.05	1111	15 ms	93
4	01a046b2-7104-74c2-8a02-04715d7235e1-odi2maj6s-xai-org01a046b2-7104-74c2-8a02-04715d7235e1-odi2maj6s-xai-org.vercel.appSolanaLLM Inference	$13.14*	4,697	$0.001	1	38 ms	93
5	Agriagri.halowerk.comBaseLLM Inference	$3.32*	1,461▲ 437.5%	$0.002 – $0.004	10	28 ms	93
6	agent.massive.comagent.massive.comBaseLLM Inference	$26.49*	2,649▼ 88.4%	$0.01	23	286 ms	93
7	Iotiot.halowerk.comBaseLLM Inference	$3.32*	1,461▲ 437.5%	$0.002 – $0.004	10	30 ms	93
8	Vishwaapi.vishwalab.comBaseLLM Inference	$250.02*	250,017+▼ 89.8%	$0.0105	19	—	92
9	Agmsgapi.agmsg.worldBaseLLM Inference	$15.92*	1,119	$0.001	2	76 ms	92
10	token4u.aitoken4u.aiBaseLLM Inference	$3.75*	1,089	$0.003 – $0.009	2	783 ms	91
11	NetIntelnetintel-permodel-test-production.up.railway.appBaseLLM Inference	$21.13*	809▼ 64.2%	$0.005	2	52 ms	90
12	Buerobuero.halowerk.comBaseLLM Inference	$3.32*	1,461▲ 437.5%	$0.004 – $0.012	4	30 ms	90
13	Skim402skim402.comBaseLLM Inference	$0.99*	386▼ 66.4%	$0.002 – $0.35	16	194 ms	86
14	Mcpfax-diagmcpfax-diag.bowling-anthony.workers.devBaseLLM Inference	$6.05*	372▼ 85.7%	$0.001 – $0.01	81	84 ms	86
15	agentworld.meagentworld.meBaseLLM Inference	$31.28*	342▼ 100.0%	$0.001 – $0.25	59	196 ms	85
16	www.x402-agent-pay.comx402-agent-pay.comBaseLLM Inference	$31.28*	342▼ 100.0%	$0.001 – $0.05	6	380 ms	85
17	Omniac Q&Aomniac.0000402.xyzBaseLLM Inference	$4.50	321▼ 81.0%	$0.01 – $100	55	602 ms	85
18	Craigmbrownapi.craigmbrown.comBaseLLM Inference	$45.84*	320▲ 36.4%	$0.01	1	296 ms	85
19	url2md.iourl2md.ioBaseLLM Inference	$1.72*	335▼ 97.7%	$0.005	2	517 ms	85
20	Openrelayopenrelay.hggfffdfy687.workers.devBaseLLM Inference	$0.37*	324▲ 16.7%	$0.001 – $0.003	12	357 ms	85
21	runwayoracle.comrunwayoracle.comBaseLLM Inference	$10.96*	499▼ 98.1%	$0.001 – $0.15	122	460 ms	84
22	Agent-commerce-factory-jmagent-commerce-factory-jm.austriaeast.cloudapp.azure.comBaseLLM Inference	$1.31*	245▼ 74.2%	$0.001 – $0.05	34	50 ms	84
23	keyring-agent.blockchhub.linkkeyring-agent.blockchhub.linkBaseLLM Inference	$16.35*	342▲ 999.0%	$0.001 – $3	6	540 ms	84
24	rubric-protocol.comrubric-protocol.comBaseLLM Inference	$11.04*	560▼ 92.6%	$0.001 – $0.5	44	139 ms	82
25	Base-pulsebase-pulse.annushka1190.workers.devBaseLLM Inference	$1.53*	180▼ 85.5%	$0.002 – $0.025	26	78 ms	82