100% offOpenAI GPT OSS 120B API
OpenAI·Text· 100.0% success (7d)
OpenAI GPT OSS 120B
Pricing
Cheapest live price, per 1 million tokens.
Input / 1M tokens
$0.070 OpenRouter
Output / 1M tokens
$0.300 OpenRouter
Cache read / 1M
Repeated prompt prefixes
Cache read is the discounted rate for repeated prompt prefixes (system prompts, agent context).
Capabilities · 2
Specifications
- Context window
- 128K
- Max output
- 16K
- Type
- Text
- Creator
- OpenAI
- Live sellers
- 1139
- Requests / 24h
- 7,185
Price history · 60 days
Estimated monthly cost
30 days at the cheapest live price.
Quick start
OpenAI-compatible — change the base URL and key. Get a key from the dashboard.
from openai import OpenAI
client = OpenAI(
base_url="https://api.qubax.ai/v1",
api_key="YOUR_QUBAX_API_KEY",
)
response = client.chat.completions.create(
model="openai-gpt-oss-120b",
messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)About OpenAI GPT OSS 120B
OpenAI GPT OSS 120B is a language model developed by OpenAI. It's particularly well-suited for orchestrating tool-using agents that call APIs and external services and handling large contexts of up to 128K tokens. Its 128K-token context window means you can pass in entire documents, codebases, or conversation histories without losing context. It can write up to 16K tokens in a single response.
As of Nov 4, 2026, OpenAI GPT OSS 120B costs $0.0001 per 1M input tokens and $0.0004 per 1M output tokens on Qubax, versus $0.070 / $0.300 on OpenRouter (100% less on input). A typical 1,000 chat requests (2K tokens in, 500 out) come to about $0.00. Measured availability over the last 7 days: 100.0%. 1139 independent compute providers currently serve it, so requests fail over automatically. It handled 7,185 requests on Qubax in the last 24 hours. Pay with USDC, USDT, BTC, ETH or 350+ other coins — no credit card required.
Similar-priced alternatives
Frequently asked questions
How much does the OpenAI GPT OSS 120B API cost?
On Qubax, OpenAI GPT OSS 120B costs $0.0001 per 1M input tokens and $0.0004 per 1M output tokens. This is 100% cheaper than OpenRouter's price of $0.070 per 1M input tokens.
Is the OpenAI GPT OSS 120B API compatible with OpenAI?
Yes. Qubax provides an OpenAI-compatible API. You can use OpenAI GPT OSS 120B as a drop-in replacement by changing your base URL to https://api.qubax.ai/v1 and using your Qubax API key. It works with Cline, Cursor, OpenCode, Hermes Agent, and any tool that supports OpenAI APIs.
Why is OpenAI GPT OSS 120B cheaper on Qubax than OpenRouter?
Qubax sources AI inference from an open compute marketplace on the Base blockchain where GPU providers compete on price. We pass the savings to you — 100% cheaper than OpenRouter's price for OpenAI GPT OSS 120B.
How do I pay for OpenAI GPT OSS 120B API usage?
Qubax uses prepaid crypto credits. Top up with USDC, USDT, BTC, ETH, SOL or 350+ other coins and your balance is deducted as you use the API. No credit card or KYC required.
What is the context window of OpenAI GPT OSS 120B?
OpenAI GPT OSS 120B supports a context window of 128K tokens, allowing you to process large documents, codebases, or long conversations in a single request.
What can I build with OpenAI GPT OSS 120B?
You can use OpenAI GPT OSS 120B to build autonomous agents that call external tools and APIs and process long documents and entire codebases. Because it's served through Qubax's OpenAI-compatible API, integration into existing apps, agents, or workflows takes just a few lines of code.
How fast and reliable is OpenAI GPT OSS 120B on Qubax?
Measured time to first token (p95) on Qubax is 3.6s. Its 7-day success rate is 100.0%. Responses stream token by token. 1139 sellers serve it, so if one is slow or down the request moves to the next.
OpenAI GPT OSS 120B vs GLM 4.5 Air: which should I choose?
OpenAI GPT OSS 120B by OpenAI and GLM 4.5 Air by Zhipu AI are both strong models in a similar price tier. OpenAI GPT OSS 120B is well-suited for general-purpose language tasks. GLM 4.5 Air comes from a different lab and may have different strengths depending on your workload. On Qubax, OpenAI GPT OSS 120B starts at $0.0001/1M input tokens versus GLM 4.5 Air's $0.0002/1M — making OpenAI GPT OSS 120B the more cost-effective option for high-volume workloads. Both are available on Qubax with crypto payments and OpenAI-compatible APIs, so you can try each and switch freely.
Can I use OpenAI GPT OSS 120B for commercial projects?
Yes. OpenAI GPT OSS 120B on Qubax can be used for commercial purposes. You own the outputs you generate. Qubax provides the API infrastructure — you bring your use case.
Why use OpenAI GPT OSS 120B on Qubax?
100% cheaper
Providers compete on price — you get the cheapest healthy seller.
Pay with crypto
350+ coins (BTC, ETH, SOL, USDT, USDC). No card, no KYC.
OpenAI & Anthropic compatible
Drop-in base URL. Works with Cline, Cursor, Claude Code, OpenAI and Anthropic SDKs.