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Updated October 29, 2026

Tool-call index

Not all models are served equally by all providers. On a typical model, the worst provider breaks tool calls 19× as often as the best. Find the best one for your agents.

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Z.ai · 37 providers · 5.5M tool calls a day
#ProviderBroken
tool calls
Tool calls
a day
$ in / out
per M
Tokens/sUptime
1Amazon Bedrock#0.08%13k$1.68 / $5.288480.5%
2Friendli#0.08%3.4k$1.26 / $3.9696100.0%
3inference.netfp4#0.11%1.0M$0.08 / $3.60114100.0%
4SiliconFlowfp8#0.15%399k$0.70 / $2.205399.9%
5ModelRun [by Modular]fp4#0.17%4.9k$2.10 / $6.6010693.1%
6Inceptronfp4#0.22%101k$1.20 / $2.209599.8%
7Sail Researchfp8#0.28%111k$0.50 / $2.0049100.0%
8Waferfp4#0.30%1.5M$0.07 / $1.409699.8%
9Modal#0.32%186k$1.40 / $4.4017099.9%
10Together#0.33%82k$1.40 / $4.4087100.0%
11Decartfp4#0.38%185k$0.84 / $2.6992100.0%
12Prime Intellect#0.38%57k$0.98 / $3.086899.9%
13Morphfp8#0.41%21k$0.18 / $1.544898.7%
14Reka AI#0.56%12k$0.14 / $2.105498.9%
15Relace#0.57%84k$0.07 / $4.3877100.0%
16Basetenfp4#0.59%111k$1.40 / $4.407899.2%
17Z.aifp8#0.65%830k$1.40 / $4.4057100.0%
18CoreWeavefp8#0.66%16k$1.20 / $4.0010397.0%
19Mistralnvfp4/zdr#0.70%52k$1.40 / $4.4010699.9%
20Nebius Token Factoryfp4#0.75%3.7k$1.40 / $4.4010198.6%
21Basetenfp8/fast#0.76%38k$2.10 / $6.6012898.2%
22Parasailfp8#0.79%28k$1.40 / $4.4013098.3%
23Makorafp4#0.79%32k$0.14 / $3.006796.7%
24io.netfp8#0.86%2.9k$0.33 / $3.207599.9%
25DekaLLM#0.90%13k$0.25 / $2.956699.9%
26DeepInfrafp4#0.99%42k$0.56 / $2.507199.4%
27Venice#1.17%2.1k$1.40 / $4.408896.9%
28Fireworks#1.27%11k$1.40 / $4.409799.5%
29Mistralnvfp4#1.40%9.1k$1.40 / $4.40134100.0%
30Crusoefp4#1.60%110k$1.40 / $4.4098100.0%
31Fireworksfast#1.67%81k$2.10 / $6.6013399.2%
32Alibaba Cloud Int.#1.82%10k$1.19 / $3.7448100.0%
33Fireworks Spotspot#1.87%178k$0.98 / $3.08—99.9%
34AkashMLfp8#2.25%9.2k$0.19 / $4.4078100.0%
35Cloudflare#2.70%6.2k$1.40 / $4.4035100.0%
36Tenstorrentfp8#2.77%24k$0.60 / $2.506899.2%
37Alibaba Cloud Int.prime#2.85%7.7k$2.80 / $8.80107100.0%
38DigitalOcean#3.27%25k$0.91 / $2.866799.9%
39Baidu Qianfanfp8#4.04%13k$0.28 / $0.8878100.0%
40Phala#4.43%7.3k$0.84 / $2.6442100.0%
41NovitaAIfp8#6.71%41k$0.63 / $1.9864100.0%
42GMICloudfp8#23.02%2.6k$0.70 / $2.202499.9%

Also ignored, under 1,000 tool calls a day: AtlasCloud (fp8) 5.00%.

Recommended OpenRouter settings for GLM 5.3
{
  "provider": {
    "order": [
      "amazon-bedrock/us-east-1",
      "friendli",
      "inference-net/fp4",
      "inference-net/us"
    ],
    "ignore": [
      "digitalocean",
      "baidu/fp8",
      "phala",
      "atlas-cloud/fp8",
      "novita/fp8",
      "gmicloud/fp8"
    ]
  }
}

Point your agent at llms.txt

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And which provider to use.

For model makers

Broken tool calls carry your model's name

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Worst provider23.02%

of GLM 5.3's tool calls fail on GMICloud (fp8).

Best to worst230×

as often on GMICloud (fp8) as on Amazon Bedrock, its best provider.

Every day30k

broken tool calls a day across its 37 providers.