gpt-oss-120b vs Llama 4 Maverick
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
gpt-oss-120b
OpenAI · Aug 2025
OpenAI's open-weights MoE reasoning model under Apache 2.0 — near o4-mini quality, runnable on a single 80GB GPU.
Llama 4 Maverick
Meta · Apr 2025
Meta's natively multimodal 400B MoE — the largest openly downloadable US-made model, served cheaply across many hosts.
The verdict
gpt-oss-120b wins 1 of the 1 benchmarks these models share, against 0 for Llama 4 Maverick. gpt-oss-120b is about 2.1x cheaper per blended million tokens (3:1 input:output mix). Llama 4 Maverick also takes 1M of context versus 131K for gpt-oss-120b.
Benchmark head-to-head 1–0
Specs & pricing
| gpt-oss-120b | Llama 4 Maverick | |
|---|---|---|
| modhub Index | — | — |
| Input price / 1M | $0.1 | $0.27 |
| Output price / 1M | $0.5 | $0.85 |
| Context window | 131K | 1M |
| Max output | 131K | — |
| Open weights | yes (Apache 2.0) | yes (Llama 4 Community License) |
| Reasoning model | yes | no |
| Multimodal input | text | text, image |
| Knowledge cutoff | Jun 2024 | Aug 2024 |
| Released | Aug 2025 | Apr 2025 |
| Example monthly cost* | $1.75 | $3.98 |
* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.
Frequently asked questions
- Which is better, gpt-oss-120b or Llama 4 Maverick?
- gpt-oss-120b wins 1 of the 1 benchmarks these models share, against 0 for Llama 4 Maverick. gpt-oss-120b is about 2.1x cheaper per blended million tokens (3:1 input:output mix). Llama 4 Maverick also takes 1M of context versus 131K for gpt-oss-120b.
- Which is cheaper, gpt-oss-120b or Llama 4 Maverick?
- gpt-oss-120b costs $0.1/$0.5 per million input/output tokens, while Llama 4 Maverick costs $0.27/$0.85. For a typical workload of 10M input and 1.5M output tokens per month, that's $1.75 versus $3.98.
- Which model is better for coding, gpt-oss-120b or Llama 4 Maverick?
- We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.
More comparisons
gpt-oss-120b vs GPT-5.5Llama 4 Maverick vs GPT-5.5gpt-oss-120b vs GPT-5.2Llama 4 Maverick vs GPT-5.2gpt-oss-120b vs GPT-5.1Llama 4 Maverick vs GPT-5.1gpt-oss-120b vs GPT-5Llama 4 Maverick vs GPT-5gpt-oss-120b vs GPT-5 miniLlama 4 Maverick vs GPT-5 minigpt-oss-120b vs OpenAI o3Llama 4 Maverick vs OpenAI o3