{
  "date": "2026-09-08",
  "hardware": "Apple M4 Max",
  "browser": "Chromium WebGPU (Codex in-app browser)",
  "context": 16384,
  "kv": "FP16",
  "temperature": 0,
  "notes": [
    "Decode throughput excludes download and prefill.",
    "Native Safari was not benchmarked.",
    "Portable tests force reduced GPU feature usage; they do not emulate another browser."
  ],
  "tests": [
    {
      "prompt": "<s><|im_start|>user\nWhat is 23 times 7? Answer in one sentence.<|im_end|>\n<|im_start|>assistant\n<think>\n\n</think>\n\n",
      "tokens": 8,
      "dedicated_tps": 96.69843903002186,
      "dspark_forced_tps": 214.42793702220519,
      "portable_auto_tps": 200.77441554812177,
      "native_matching_tokens": 8,
      "dspark_matches_native": true,
      "portable_matches_native": true
    },
    {
      "prompt": "<s><|im_start|>user\nWrite a JavaScript function that returns the factorial of a nonnegative integer, and explain it.<|im_end|>\n<|im_start|>assistant\n<think>\n\n</think>\n\n",
      "tokens": 256,
      "dedicated_tps": 104.3262671040859,
      "dspark_forced_tps": 165.38412895968375,
      "portable_auto_tps": 141.0406030999369,
      "native_matching_tokens": 256,
      "dspark_matches_native": true,
      "portable_matches_native": true
    },
    {
      "prompt": "<s><|im_start|>user\nExplain photosynthesis in at least 400 words, with a detailed description of each stage.<|im_end|>\n<|im_start|>assistant\n<think>\n\n</think>\n\n",
      "tokens": 256,
      "dedicated_tps": 106.8785796443034,
      "dspark_forced_tps": 71.73480066063767,
      "portable_auto_tps": 85.19310437024441,
      "native_matching_tokens": 256,
      "dspark_matches_native": true,
      "portable_matches_native": true
    }
  ],
  "public_cold_start": {
    "weights_bytes": 3327269210,
    "storage": false,
    "seconds": 35.171435,
    "download_seconds": 33.707055,
    "gpu_seconds": 1.46438,
    "range_requests": 400,
    "retries": 0
  },
  "optional_cached_reload": {
    "seconds": 1.45344,
    "download_requests": 0
  },
  "live_html": {
    "temperature": 1,
    "completion_tokens": 1448,
    "decode_tps": 90.2,
    "ttft_seconds": 1.83,
    "note": "Generated HTML needed a revision; throughput is not a coding-quality score."
  }
}