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GPT OSS 120B API pricing, benchmarks and specs | AshnaAI

OpenAI

GPT OSS 120B

GPT OSS 120B is openai's general-purpose language and agent model with a 128,000-token context window, tool calling, and API streaming support.

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Model details

Model ID: gpt-oss-120b
Provider: OpenAI
Modality: Text generation
Context window: 128,000 tokens
Input → output: Text → text
Released: Aug 5, 2025
Available on AshnaAI: Oct 3, 2026

Where this model fits

Best capabilities

Tool calling and agent workflows
Web-connected research tasks

Best for

General chat, writing, summarization, and structured extraction
Tasks where response quality matters more than minimum latency
Agents that need to call APIs or execute multi-step workflows

Not ideal for

Image, screenshot, or visual-document analysis
Ultra-low-cost, latency-sensitive, high-volume classification
Very large documents that exceed its context window

Benchmarks

No comparable, source-verified benchmark has been published for this catalog entry yet.

Pricing (USD)

Limited-time 30% discount

Input / 1M tokens: $0.12$0.084
Output / 1M tokens: $0.602$0.422
Cached input / 1M: —
Cache write / 1M: —

Capabilities

reasoning—
toolsSupported
vision—
web searchSupported
files—

Available regions

US East (N. Virginia)

us-east-1

Europe (Frankfurt)

eu-central-1

Asia Pacific (Mumbai)

ap-south-1

Multi-region and provider failover: Active

Requests automatically switch to another region or provider if one becomes unavailable.