of MiniMax M3.1 Flash's tool calls fail on Fireworks.
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.
| # | Model | Broken tool calls | Rank | Best on the model | Tool calls a day |
|---|---|---|---|---|---|
| 1 | Kimi K3 | 0.01% | 2 of 24 | DeepInfra (mxfp4) 0.01% | 46k |
| 2 | Kimi K3spot | 0.01% | 3 of 24 | DeepInfra (mxfp4) 0.01% | 422k |
| 3 | Kimi K3fast | 0.03% | 4 of 24 | DeepInfra (mxfp4) 0.01% | 15k |
| 4 | DeepSeek V4.1 Flash 1017spot | 0.28% | 8 of 35 | Sail Research (fp4) 0.03% | 1.7M |
| 5 | DeepSeek V4.1 Flashspot | 0.31% | 7 of 35 | Prime Intellect 0.06% | 1.2M |
| 6 | Muse Spark Open | 0.32% | 2 of 6 | Nebius Token Factory (fp4) 0.07% | 13k |
| 7 | DeepSeek V4.1 Flash | 0.46% | 12 of 35 | Prime Intellect 0.06% | 224k |
| 8 | DeepSeek V4.1 Flash 1017 | 0.51% | 16 of 35 | Sail Research (fp4) 0.03% | 156k |
| 9 | DeepSeek V4 Flash 0423 | 0.70% | 4 of 16 | Crusoe (fp8) 0.46% | 11k |
| 10 | GLM 5.3 | 1.27% | 28 of 42 | Amazon Bedrock 0.08% | 11k |
| 11 | GLM 5.3fast | 1.67% | 31 of 42 | Amazon Bedrock 0.08% | 81k |
| 12 | GLM 5.3spot | 1.87% | 33 of 42 | Amazon Bedrock 0.08% | 178k |
| 13 | GLM 5.3 Flash | 4.20% | 32 of 34 | NextBit (fp4) 0.00% | 625k |
| 14 | MiniMax M3.1 Flash | 11.02% | 11 of 11 | Together 1.17% | 1.4k |
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.
on Kimi K3, its best model.
models, where the settings tell OpenRouter to skip Fireworks.