gpt-oss-20b (batch)
gpt-oss-20b · Batch tier (Batch)
Asynchronous batch tier: discounted offline batch requests with high throughput and relaxed latency — ideal for large-scale non-real-time workloads.
Best for: Large-scale offline inference, cost-sensitive batch jobs, backfills
This page covers the gpt-oss-20b Batch tier, sharing the underlying model capability with its real-time standard tier; the main difference is in billing mode and invocation method. See the gpt-oss-20b standard real-time tier.
Provider：OpenAI
gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...
Key specs
- Context：131.1K
- Max output：118K
- Tokenizer：GPT
- Released：2025-08-05
Token pricing
- Input price：$0.050 / 1M tokens
- Output price：$0.200 / 1M tokens
- Blended price：$0.087 / 1M tokens
Modalities
Text
Use Cases
- Deep Reasoning & Analysis：Math proofs, logical reasoning, multi-step planning — ideal for research and financial analysis.（≈ $0.0016/call）
When to pick this model
Signals derived from public pricing and spec fields — not a benchmark. Validate with official docs and your own eval.
- Low input + output price: solid fit for high-frequency calls and batch processing.
- Low blended price: budget-friendly for fleet-scale deployment.
- Long max output (>=30K tokens): strong fit for deep report / essay / document-drafting workflows.
FAQ
- What is the token pricing of gpt-oss-20b (batch)? Input price $0.050 / 1M tokens, output price $0.200 / 1M tokens, blended about $0.087 / 1M tokens. Refer to OpenAI’s official page for the exact rate.
- What context window does gpt-oss-20b (batch) support? Context window is 131.1K, max output about 118K, suitable for long documents, multi-turn chat and complex reasoning.
- What scenarios is gpt-oss-20b (batch) best for? Based on its capability and pricing, gpt-oss-20b (batch) fits best: Deep Reasoning & Analysis. See the Use Cases section for details and cost estimates.
- What input/output modalities does gpt-oss-20b (batch) support? Supports Text modality.
- Is gpt-oss-20b (batch) a free model? gpt-oss-20b (batch) is billed per token, not a free model.
- Which provider offers gpt-oss-20b (batch)? gpt-oss-20b (batch) is offered by OpenAI.
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Full info：gpt-oss-20b (batch)