gpt-oss-20bFireworks AI
- api
- chat
- hosting
- US
- model lab
- OpenAI
- weights
- open
- added
- August 2025
- model id
- fireworks/gpt-oss-20b
capabilities 2/8
2 providers serve gpt-oss-20b. This page is one of them. Compare all endpoints
- input
- $0.07
- output
- $0.30
- cache write
- -
- cache read
- $0.04
worked cost
| volume | cost |
|---|---|
| 100K in + 10K out | $0.0100 |
| 1M in + 100K out | $0.10 |
| 10M in + 1M out | $1.00 |
Requesty charges what the upstream provider charges, with no markup and no per-request fee. Prompt caching and smart routing cut the effective cost further on repeated context. Gateway pricing
no measured traffic for this endpoint yet. pricing above is the provider's own
no published scores for this exact variant. region deployments and highspeed tiers usually share the base model's results
- retention
- none
- trains on prompts
- no
- hosted in
- US
Terms are the provider's, not Requesty's: routing a request here puts it under them. Fireworks Privacy Policy
Need every request to stay in one jurisdiction? EU hosting routes only through EU-hosted providers.
fireworks/gpt-oss-20bthis id pins the fireworks ai deployment, with no routing and no failover. the managed id on the canonical page routes across all 2 providers instead
from openai import OpenAI client = OpenAI( api_key="YOUR_REQUESTY_API_KEY", base_url="https://router.requesty.ai/v1",) response = client.chat.completions.create( model="fireworks/gpt-oss-20b", messages=[ {"role": "user", "content": "Explain quantum computing in one paragraph."}, ],) print(response.choices[0].message.content)
Change the base url to https://router.requesty.ai/v1, use your Requesty key, set the model to the id above. Existing OpenAI SDK code needs no other edit, and the same key reaches every other model in the catalog. Browse all models
GPT-OSS-20B is OpenAI's lightweight open-weight model with 21.5 billion total parameters (3.6 billion active, Mixture-of-Experts). Optimized for lower latency and local or specialized use cases including agentic tasks, chain-of-thought reasoning, and web browsing. Released under Apache 2.0 license.
questions 5
How much does gpt-oss-20b cost?
What is the context window of gpt-oss-20b?
What can gpt-oss-20b do?
How do I use gpt-oss-20b with the OpenAI SDK?
Can I run gpt-oss-20b through Requesty?
more from fireworks ai 8
| endpoint | ctx | in /M |
|---|---|---|
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| deepseek-v4.1-flash-1017 | 1.0M | $0.30 |
| muse-spark-open | 1.0M | $1.25 |
| deepseek-v4.1-flash | 1.0M | $0.22 |
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| glm-5.3-flash | 1.0M | $0.15 |
| glm-5.3 | 1.0M | $1.40 |
| nemotron-lightning-3.5-30b-a3b | 262K | $0.05 |
call gpt-oss-20b through one endpoint
One key for this endpoint and 600+ other models. No markup on provider prices, automatic failover when a provider degrades, and prompt caching built in. Methodology