Google
MLX Community

Gemma 4 31B IT benchmark on an Apple's logo.M4 Pro · 64 GB

<- Runs

Prompt tokens

1,536

Generation tokens

768

Trials passed

3/3

Verified

7.2 tok/s

100.7 tok/s

Peak memory

33.00/64 GB

Barely runs

Trials

Decode / Prefill Speeds

Metadata

metadata.json
{
"runId": "run_414346ca-afa9-47b6-a3ba-a618f4c0d296",
"bundleId": "mlx-gemma-4-31b-it-8bit-cce518",
"status": "verified",
"promptTokens": 1536,
"completionTokens": 768,
"contextLength": 768,
"harness": {
"version": "0.1.20",
"gitSha": "unknown"
},
"runtime": {
"name": "mlx_lm",
"version": "0.31.2",
"buildFlags": null
},
"model": {
"displayName": "Gemma 4 31B IT",
"format": "mlx",
"quant": "8bit",
"architecture": "gemma4",
"source": "mlx-community/gemma-4-31b-it-8bit",
"fileSizeBytes": 33763120491,
"lab": {
"name": "Google",
"slug": "google"
},
"quantizedBy": {
"name": "MLX Community",
"slug": "mlx-community"
}
},
"device": {
"cpu": "Apple M4 Pro",
"cpuCores": 14,
"gpu": "Apple M4 Pro",
"gpuCores": 20,
"gpuCount": 1,
"ramGb": 64,
"osName": "macOS",
"osVersion": "26.3"
},
"decodeTpsMean": 7.2,
"prefillTpsMean": 100.7,
"ttftP50Ms": 5024.83,
"idleTpsMean": 32768,
"peakRssMb": 33792,
"trialsPassed": 3,
"trialsTotal": 3,
"runnabilityScore": 0.23379285714285714,
"bundleSha256": "227324c180d729838ce832774e64ad7e4fd0be031b80bc0531f5658105a9056a",
"createdAt": "2026-04-14T03:35:41.761Z"
}