of GLM 5's tool calls fail on Amazon Bedrock.
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.
| # | Provider | Broken tool calls | Tool calls a day | $ in / out per M | Tokens/s | Uptime |
|---|---|---|---|---|---|---|
| 1 | GMICloudfp8# | 0.74% | 3.8k | $0.60 / $1.92 | 64 | 99.9% |
| 2 | StreamLakefp8# | 0.89% | 13k | $0.60 / $1.92 | 60 | 100.0% |
| 3 | Z.aifp8# | 2.22% | 3.4k | $1.00 / $3.20 | 43 | 99.6% |
| 4 | SiliconFlowfp8# | 2.24% | 3.6k | $0.95 / $2.55 | 48 | 99.9% |
| 5 | Amazon Bedrock# | 3.13% | 1.0k | $1.00 / $3.20 | 113 | 99.6% |
Recommended OpenRouter settings for GLM 5
{
"provider": {
"order": [
"gmicloud/fp8",
"streamlake/fp8",
"z-ai/fp8"
],
"ignore": [
"amazon-bedrock"
]
}
}Point your agent at llms.txt
Get updates when its successor drops
And which provider to use.
For model makers
Broken tool calls carry your model's name
Releasing a model? Test it before launch.
as often on Amazon Bedrock as on GMICloud (fp8), its best provider.
broken tool calls a day across its 5 providers.