ChatCheck official model cardOpen weightsUpdated 2026Frontier 2026

gpt-oss-120b

OpenAI · gpt-oss

Larger gpt-oss model for users evaluating high-capacity open-weight deployments.

Best for

Teams evaluating high-capacity local, self-hosted, or developer-controlled model deployments.

Tradeoffs

Larger open-weight models require careful license review, serving support, hardware planning, and evaluation on your own workloads.

Local hardware notes

Expect server-class requirements for full-weight deployment; use hosted or quantized options where available.

Local workflow notes

Best evaluated with the exact release, runtime support, and hardware profile available to your team.

Local runtimes: vLLM where supported, Transformers where supported

Platforms: Self-hosted servers, Linux

Availability and license note

Frontier 2026 model availability, licenses, context windows, and serving support can change quickly. Verify the official model card, provider docs, and license before using this model in production or commercial workflows.

Sources to verify

HardwareServer-classRuntimevLLM, Transformers, hosted providers where supportedContextCheck official model cardLast updated2026
OpenAI