Beyond Peak Throughput: Finding and Explaining vLLM’s Concurrency Knee on an A100
Measured throughput and latency, repeated saturation runs, and a trace-based explanation of the post-knee regime.
Read investigationProduck Inference
Use selected models through an OpenAI-compatible chat completions API. Model IDs, context windows, and input/output rates are listed for each model.
Models
gpt-oss-120bgemma-4-31bdeepseek-v4-flashqwen3-next-80bBuild with HTTP
Use the supported /v1/chat/completions endpoint for text chat and streaming. Send a Produck API key in a Bearer authorization header.
https://api.produckai.com/v1/chat/completionsOne endpoint, explicit model IDs, ordinary HTTP requests.
At a glance
Token prices are listed separately for every model.
Compare model IDs, context windows, and prices in one table.
Serving work starts with workload shape, latency goals, throughput, and reproducible evidence.
Engineering
Characterize the workload, measure p95 TTFT and TPOT, inspect throughput, batching, KV-cache behavior, and GPU utilization, then validate changes against the target SLO. Our engineering work spans vLLM, SGLang, capacity planning, and dedicated deployment design.
Explore Inference EngineeringResearch
A controlled A100 study of vLLM concurrency, throughput, latency, GPU behavior, and the post-knee regime.
Explore researchMeasured throughput and latency, repeated saturation runs, and a trace-based explanation of the post-knee regime.
Read investigationGet started
Review the model catalog, create an API key, or bring us a specific inference workload.