OpenAI
Openai/gpt Oss 20b
Openai/gpt Oss 20b is a reasoning model by OpenAI with function calling, web search, structured output — designed for complex, multi-step problem solving where accuracy matters more than speed. It supports a 131K token context window with up to 33K tokens of output. Priced at $0.075 per million input tokens and $0.3 per million output tokens, it is one of the most cost-efficient options in its class. Access Openai/gpt Oss 20b through Inworld Router with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.
→Function CallingWeb SearchReasoningResponse SchemareasoningCapability
Step 1 — Create Router
curl --location 'https://api.inworld.ai/router/v1/routers' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
"name": "compare-frontier-models",
"defaultRoute": {
"route_id": "default",
"variants": [
{
"variant": {
"variant_id": "groq/openai/gpt-oss-20b-a",
"model_id": "groq/openai/gpt-oss-20b"
},
"weight": 33
},
{
"variant": {
"variant_id": "openai/gpt-3.5-turbo-b",
"model_id": "openai/gpt-3.5-turbo"
},
"weight": 33
},
{
"variant": {
"variant_id": "openai/gpt-4.1-c",
"model_id": "openai/gpt-4.1"
},
"weight": 34
}
]
}
}'Step 2 — Chat Completion
curl --location 'https://api.inworld.ai/v1/chat/completions' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
"model": "inworld/compare-frontier-models",
"messages": [{"role": "user", "content": "Hello!"}]
}'Openai/gpt Oss 20b pricing and providers
Access Openai/gpt Oss 20b through Groq via Inworld Router or Realtime API. By using the AI provider(s) below you acknowledge you reviewed and agree to their terms listed in the Legal section under the AI provider's name.
| Capabilities | Input modalities | Output modalities | |||||
|---|---|---|---|---|---|---|---|
 Groq | 131.1K | 32.8K | $0.075 | $0.30 | +2 |
Other OpenAI models available through Inworld
Compare Openai/gpt Oss 20b with other OpenAI models available through Inworld Router or Realtime API.
| Capabilities | Input modalities | Output modalities | Inference provider | |||||
|---|---|---|---|---|---|---|---|---|
| GPT 3.5 Turbo | 16.4K | 4.1K | $0.50 | $1.50 | ||||
| GPT 4.1 | 1M | 32.8K | $2.00 | $8.00 | +2 | |||
| GPT 4.1 Mini | 1M | 32.8K | $0.40 | $1.60 | +2 | |||
| GPT 4.1 Nano | 1M | 32.8K | $0.10 | $0.40 | +1 | |||
| GPT 4.1 Nano 2025 04 14 | 1M | 32.8K | $0.10 | $0.40 | +1 | |||
| GPT 4o | 128K | 16.4K | $2.50 | $10.00 | +1 | |||
| GPT 4o 2024 08 06 | 128K | 16.4K | $2.50 | $10.00 | +1 | |||
| GPT 4o Mini | 128K | 16.4K | $0.15 | $0.60 | +1 | |||
| GPT 4o Mini 2024 07 18 | 128K | 16.4K | $0.15 | $0.60 | +1 | |||
| GPT 4o Mini Audio Preview | — | — | $0.15 | $0.60 | — | |||
| GPT 5 Mini | 272K | 128K | $0.25 | $2.00 | +4 | |||
| GPT 5 Nano | 272K | 128K | $0.05 | $0.40 | +4 | |||
| GPT 5.2 | 272K | 128K | $1.75 | $14.00 | +4 | |||
| GPT 5.4 | 1.1M | 128K | $2.50 | $15.00 | +3 | |||
| GPT 5.4 Mini | 272K | 128K | $0.75 | $4.50 | +4 | |||
| GPT 5.4 Nano | 272K | 128K | $0.20 | $1.25 | +4 | |||
| GPT 5.5 | 1.1M | 128K | $5.00 | $30.00 | +4 | |||
| GPT Audio Mini | 128K | 16.4K | $0.60 | $2.40 | ||||
| Openai/gpt Oss 120b | 131.1K | 131.1K | $0.039 | $0.19 | +2 | |||
| Openai/gpt Oss 120b Turbo | — | — | $0.15 | $0.60 | — | |||
| Openai/gpt Oss Safeguard 20b | 131.1K | 65.5K | $0.075 | $0.30 | +2 |
Start building with Openai/gpt Oss 20b
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