GPT OSS 20B MaaS
GPT OSS 20B MaaS is OpenAI's language model with a 131K context window and up to 33K output tokens. A Model-as-a-Service deployment of the GPT OSS 20B open-weight model, providing managed access to the 21B MoE architecture for specialized use cases.
OpenAI's language model with a 131K context window and up to 33K output tokens. A Model-as-a-Service deployment of the GPT OSS 20B open-weight model, providing managed access to the 21B MoE architecture for specialized use cases.Capabilities
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Pricing by Provider
| Provider | Standard | Batch | |||
|---|---|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Write $ / 1M | Input $ / 1M | Output $ / 1M | |
 Google Vertex AI | $0.070 | $0.250 | $0.0070 | $0.035 | $0.125 |
Cost Calculator
Preset:
Compares every provider & tier in USD
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| GPT-5.4 Mini | 1.1M | $0.750 | $4.50 | Available | |
| GPT-5.4 Nano | 1.1M | $0.200 | $1.25 | Available | |
| GPT-5.4 | 1.1M | $2.50 | $15.00 | Available | |
| GPT-5.4 Pro | 1.1M | $30.00 | $180.00 | Available | |
| GPT-5.4 3.5 | — | 1.1M | — | — | Available |
| GPT-5.4 Pro 3.5 | — | 1.1M | — | — | Available |
| GPT-5.3 Chat | 128K | $1.75 | $14.00 | Available | |
| GPT-5.3 Codex | 400K | $1.75 | $14.00 | Available | |
| GPT-5.3 Codex Spark | — | 128K | — | — | Available |
| GPT-5.3 Instant | — | 128K | — | — | Available |
| GPT OSS 20B MaaS | — | 131K | — | — | Current |