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A 421-million-parameter Laya decision model sustained 175 typed decisions per second on an NVIDIA H100 NVL in Bhushan Kinge’s 2026 benchmark. That result came from TensorRT FP16 at a selected operating point with about 91 ms p99 latency, within a 130 ms p99 target. On the same target, the RTX PRO 6000 reached 146 decisions per second and the RTX PRO 5000 reached 42. These are workload-specific benchmark results—not guaranteed speeds for every Laya deployment or a measure of generated tokens.

What the benchmark measured

Laya takes a state and typed questions, then returns structured decisions rather than generating prose. Its English checkpoint is based on ModernBERT-large, has 421 million parameters and lists a 512-token context limit. Accordingly, the reported unit is typed decisions per second, not tokens per second. The Laya model card

For the benchmark, each request presented a public SAM.gov contract-opportunity notice and asked three questions: one choice, one score and one yes/no. The author used a frozen sample of 1,000 notices, open-loop Poisson arrivals and a small HTTP server with dynamic batching. A rate counted as sustained capacity only if the system achieved at least 90% of the offered load, remained within the latency target, returned no errors and avoided a growing queue. Benchmark workload and capacity definition

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How fast each GPU ran at the tested latency targets

The main comparison below reports capacity under two p99 latency budgets. The 130 ms column is the most useful direct comparison across the three GPUs; results depend on the tested model, workload and serving setup.

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GPU and backend Capacity at p99 ≤ 50 ms Capacity at p99 ≤ 130 ms
RTX PRO 5000, TensorRT FP16 15 decisions/s 42 decisions/s
RTX PRO 6000, TensorRT FP16 Not measured; the tested sweep did not establish capacity below 50 requests/s 146 decisions/s
H100 NVL, TensorRT FP16 105 decisions/s 175 decisions/s; measured p99 was about 91 ms at this selected operating point

The author also converted the sustained rates at the 130 ms target into daily totals: 3.6 million decisions for the RTX PRO 5000, 12.6 million for the RTX PRO 6000 and 15.1 million for the H100 NVL. These figures extrapolate a sustained rate across a day; they were not separate 24-hour tests. Reported GPU capacity results

What the test setup does—and does not—show

Hardware and software coverage

The tested devices included an 8 GB RTX 2000 Ada laptop GPU, a 24 GB RTX PRO 5000 Blackwell laptop GPU, a 96 GB RTX PRO 6000 Blackwell workstation GPU, and a 94 GB H100 NVL. The H100 was tested both as a whole GPU and split into seven 1g.12gb MIG instances.

Backends and configurations included PyTorch eager in FP32, FP16 and BF16; torch.compile with max-autotune; ONNX Runtime CUDA; and TensorRT FP16. The study also provided hosted Jev API and Qwen3.5 vLLM context baselines. This breadth helps explain the reported results, but it does not make the capacity numbers transferable to different prompts, languages, checkpoints or production serving systems. Benchmark configuration and methodology

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Latency targets matter

At a stricter p99 target of 50 ms, the H100 NVL sustained 105 decisions per second, compared with 175 at the 130 ms target. A higher latency budget can allow more batching and throughput, but it is only useful if the service can tolerate the resulting tail latency.

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The RTX PRO 6000’s capacity at the 50 ms target is unknown: the sweep did not test below 50 requests per second. It would be incorrect to infer a 50 ms result from its 146 decisions per second at the more permissive 130 ms target.

A replay illustrates why operating headroom matters

In one RTX PRO 6000 replay, 138,863 requests—10 million individual decisions—completed with zero errors and an overall p99 of 111 ms. Two peak-hour segments had p99 latency of 132 and 143 ms. The benchmark author estimated that keeping a continuously enforced 130 ms limit at that volume would require roughly 25% headroom. This is a single replay, not a guarantee about ongoing production performance. Replay and serving details

Why backend rankings change with serving conditions

A backend that wins a fixed-shape throughput test may not win in a dynamic server, where request timing, batching and latency limits affect the result. In fixed-shape tests at larger batches, torch.compile max-autotune FP16 was about 1.3–1.7 times faster than eager FP16 on each card, according to the benchmark author. But torch.compile was not tested as a serving backend.

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Dynamic-serving results varied by GPU and workload. On the H100, TensorRT raised capacity at p99 ≤ 130 ms from 93 to 175 decisions per second. On the RTX PRO 6000, eager FP16 and TensorRT both reached 146. For the Blackwell laptop’s multilingual checkpoint, eager FP16 outperformed TensorRT under the same service-level objective. That last result also shows why the English procurement workload cannot stand in for multilingual performance generally. Backend comparisons and serving qualifications

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What the H100 MIG result means

Splitting the H100 NVL into seven 1g.12gb MIG instances provided isolation, but the configuration did not reliably meet the benchmark’s capacity gate on documents longer than 400 tokens. At the lowest tested aggregate load, the slices reached about 49 decisions per second at p99 127 ms but failed the achieved-rate requirement. The whole H100 reached 175 decisions per second within the 130 ms target.

This result is specific to the tested long-document workload and eager FP16 MIG configuration. It does not establish that MIG is generally slower or unsuitable; shorter prompts could behave differently. MIG configuration and results

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Output fidelity is not task accuracy

Before timing, the author checked whether optimized backends reproduced upstream FP32 answers on a parity set of 16 cases and 63 typed questions. Across four GPUs, three checkpoints, multiple precisions and five backends, all 74 backend-and-device rows passed that suite. Checks also covered public JSON equality, finite outputs and steady-state allocator stability. Parity and benchmark limitations

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Passing parity means the tested configurations matched the upstream model outputs on that limited suite. It does not show that Laya’s answers are correct for real procurement decisions or other real-world tasks.

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How to read the cost estimates

The benchmark estimated self-hosted costs per million decisions at $0.67 for the RTX PRO 5000, $0.66 for the RTX PRO 6000 and $1.86 for the H100 NVL. Those scenario estimates assume three-year card amortization, 100% utilization and electricity at $0.12 per kWh. The estimated Jev API cost was $6.80–$8.20 per million decisions at list token pricing for this workload.

The comparison is not like-for-like on network path: the Jev estimate includes the public internet route from Arizona, while self-hosted Laya does not include a comparable network path. Hosted use also avoids hardware ownership and operational work. Under the benchmark’s cost model, a hosted service may still make economic sense below roughly one million decisions per day. Treat these numbers as assumption-dependent estimates, not current quotes or universal break-even points. Cost model and assumptions

Benchmark limits to keep in mind

  • The study used one English federal-procurement workload, not a representative mix of tasks, languages or prompt lengths.
  • Each server sweep and replay used one run per configuration, so the figures are not multi-run averages.
  • The serving setup was a compact asyncio dynamic batcher over loopback, not Triton; production networking and deployment behavior may differ.
  • The test measured output fidelity against upstream FP32 on a small parity set, not real-world task accuracy.
  • The H100 figure is a measured operating point, not a theoretical GPU ceiling or a speed guarantee for purchased hardware.

The benchmark is independent, not an official Laya or Convai result. Benchmark author’s disclosure

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