Llama 4 Maverick vs gpt-oss-120b
Open-weight models from two US labs that many hosts serve, neither sold on a first-party API. Both list prices from the makers’ own pages, and what three everyday jobs cost on each.
US dollars, standard rate, shortest context band. Price only: this page does not rank quality.
- Llama 4 Maverick, per M tokens
- No list price
- gpt-oss-120b, per M tokens
- No list price
3,000 tokens in and 400 out each, at list price.
Neither Llama 4 Maverick nor gpt-oss-120b has a list price: their makers publish the weights but sell no API for either, so the cost depends on the host that runs them. Llama 4 Maverick reads up to 1M tokens at once, gpt-oss-120b up to 131K.
Side by side
Each maker’s published rate for its standard tier. Cached input is what a repeated prompt prefix costs once the provider has stored it.
| Fact | Llama 4 Maverick | gpt-oss-120b |
|---|---|---|
| Maker | Meta | OpenAI |
| Tier | Workhorses | Workhorses |
| Input, per M tokens | Not published | Not published |
| Output, per M tokens | Not published | Not published |
| Cached input | Not published | Not published |
| Context window | 1M | 131K |
| Released | 5 Apr 2025 | 5 Aug 2025 |
| Weights | Open | Open |
The small print
What each base rate leaves out, from the makers’ own pages: surcharges, discounts, promotions and cache pricing.
- Llama 4 Maverick
- No first-party price: open-weight model with no Meta-hosted API (Meta Model API lists only Muse models). Cost depends on the third-party host. Context and release date from the official model card https://github.com/meta-llama/llama-models/blob/main/models/llama4/MODEL_CARD.md.
- gpt-oss-120b
- No first-party price: open-weight model (Apache 2.0) that OpenAI does not serve on its API. Cost depends on the third-party host. Specs from https://developers.openai.com/api/docs/models/gpt-oss-120b; release date from the OpenAI model card dated August 5, 2025.
Other comparisons
Every head to head on the list that involves Llama 4 Maverick or gpt-oss-120b.
Pay a quarter of list price
AIGROW API credit is metered at the makers’ list prices, and $25 buys $100 of usage. The credit page lists the models it covers; ask about any other before buying.
Prices checked 22 September 2026