hermes-agent/mcp-research-data/ue_bench_summary.json
teknium1 3a1bbfac61 bench: Unreal-scale live benchmark — Epic's real 830 UE 5.8 schemas replayed (Opus 4.8)
Replays the actual tool schemas captured from Epic's UE 5.8
ModelContextProtocol + AllToolsets plugins (830 tools / 52 toolsets) as
live registry tools with mocked editor responses, then benchmarks
eager vs bare-bridge vs bridge+listing at two scales (62-tool editor
subset, full 830) on Claude Opus 4.8 (1M ctx; eager at 830 does not fit
any 200K model — first call requests ~266K tokens).

Headline (full 830, mean per task, rescored): eager 8/8 at 810,578
input tokens ($4.05); bare bridge 16/16 at 160,844 ($0.80); listing
16/16 at 257,264 ($1.29). Frontier model erases the accuracy gap in
every mode; cost is the differentiator. At 62 tools eager wins on cost
— consistent with the auto-threshold design.

Also parameterizes livetest harness model + listing_max_tokens via
env/args (TS_UE_MODEL, TS_UE_SCALE, TS_UE_MODES, TS_UE_LISTING_MAX).
2026-07-26 08:26:09 -07:00

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{
"editor|eager": {
"succ": 12,
"n": 12,
"api": 2.2,
"itok": 116979,
"usd": 0.58,
"sec": 9.0
},
"editor|bridge": {
"succ": 12,
"n": 12,
"api": 4.7,
"itok": 146979,
"usd": 0.73,
"sec": 18.7
},
"editor|listing": {
"succ": 12,
"n": 12,
"api": 5,
"itok": 163663,
"usd": 0.82,
"sec": 21.5
},
"full|eager": {
"succ": 8,
"n": 8,
"api": 2.5,
"itok": 810578,
"usd": 4.05,
"sec": 18.9
},
"full|bridge": {
"succ": 16,
"n": 16,
"api": 5.2,
"itok": 160844,
"usd": 0.8,
"sec": 22.5
},
"full|listing": {
"succ": 16,
"n": 16,
"api": 4.6,
"itok": 257264,
"usd": 1.29,
"sec": 23.8
}
}