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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.

← All providers
5 models · 292k tool calls a day
#ModelBroken
tool calls
RankBest on
the model
Tool calls
a day
1GLM 5.10.00%1 of 7—1.3k
2GLM 5.30.08%2 of 42Amazon Bedrock 0.08%3.4k
3GLM 5.3 Flash0.10%2 of 34NextBit (fp4) 0.00%268k
4GLM 5.20.15%1 of 27—12k
5Gemma 4 31B0.80%2 of 12ModelRun [by Modular] (fp4) 0.09%8.6k
New models

Get updates when a new model drops

And which provider to use.

For inference providers

Tool calling doesn't have to break

The same provider can handle tool calls well on one model and struggle on the next.

Worst model0.80%

of Gemma 4 31B's tool calls fail on Friendli.

Best model0.00%

on GLM 5.1, its best model.

Best on2 of 5

models, where Friendli is the most reliable provider.