gpt-oss-20b on RTX 5090 (32GB) + AMD Ryzen 7 9850X3D 8-Core Processor (8c) + 30GB
MeasuredOn 2026-07-01, gpt-oss-20b ran at 318.4 tok/s (chat-short) on an RTX 5090 (32GB) with llama.cpp. Run r_b9ul-vxh9sc.
RTX 5090 (32GB) + AMD Ryzen 7 9850X3D 8-Core Processor (8c) + 30GB
suite suite-v1
cli 0.0.3
signed0tv44ISLy1…
Embed badgesubmitted Jul 01, 2026Workload results
| Workload | Backend | Model | decode tok/s | prefill tok/s | TTFT | p50 | p95 |
|---|---|---|---|---|---|---|---|
| chat-short | llama.cpp | gpt-oss-20b | 318.4tok/s | — | 173ms | 3.1ms | 3.2ms |
| chat-long | llama.cpp | gpt-oss-20b | 301.6tok/s | — | 239ms | 3.3ms | 3.4ms |
| concurrent-decode | llama.cpp | gpt-oss-20b | 302.8tok/s | — | — | 3.2ms | 3.3ms |
| agent-trace | llama.cpp | gpt-oss-20b | 304.5tok/s | 26,907.5tok/s | 77.7ms | 3.3ms | 3.4ms |
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https://llm-speed.com/r/r_b9ul-vxh9scRelated benchmarks
- More gpt-oss-20b benchmarks — every backend and rig that has run this model.
- More RTX 5090 (32GB) LLM benchmarks — every model measured on this hardware.
Provenance
- Run ID
- r_b9ul-vxh9sc
- Fingerprint hash
- 013ca61a09d17996
- Public key
- 0tv44ISLy10gz6Oc6FJig3eWJVLwso9oKemSM4nicKM=
- Received
- 2026-07-01 08:53:25