of gpt-oss-120b's tool calls fail on NEAR AI (fp4).
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.
| # | Model | Broken tool calls | Rank | Best on the model | Tool calls a day |
|---|---|---|---|---|---|
| 1 | GLM 5.3 Flashfp8 | 0.94% | 16 of 34 | NextBit (fp4) 0.00% | 479k |
| 2 | Qwen3.8 27Bfp8 | 1.00% | 13 of 21 | Darkbloom (fp4) 0.07% | 112k |
| 3 | gpt-oss-120bfp4 | 10.37% | 11 of 15 | Groq 0.04% | 154k |
And which provider to use.
The same provider can handle tool calls well on one model and struggle on the next.
of gpt-oss-120b's tool calls fail on NEAR AI (fp4).
on GLM 5.3 Flash, its best model.
models, where the settings tell OpenRouter to skip NEAR AI.