gpt-oss-120b vs MiniMax M1
API pricing, benchmark indices and specs — updated 19 October 2026.
openai · A · Open weights
Params
120.4 B
Context
131,072
30d
2.9 M
apache-2.0 · commercial OK
minimax · B · API-only
Input / 1M
$0.55
Output / 1M
$2.20
AA index
11.7
proprietary · 1M context
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | gpt-oss-120b | MiniMax M1 |
|---|---|---|
| Deployment | Open weights · also via API | API-only (closed weights) |
| Parameters | 120.4 B | n/a — API-only |
| Architecture | GptOssForCausalLM | n/a — API-only |
| Context length | 131,072 | 1,000,000 |
| Licence | apache-2.0 | Proprietary |
| Commercial use | Allowed | Per API terms |
| Languages | — | n/a — API-only |
| Downloads 30d | 2,891,100 | n/a — API-only |
| Downloads all time | 60.4 M | n/a — API-only |
| Quantizations on the Hub | SAFETENSORS | n/a — API-only |
| Gated | No | n/a — API-only |
| First seen on the Hub | 2025-08-04 | n/a — API-only |
| API input price / 1M tokens | $0.15 | $0.55 |
| API output price / 1M tokens | $0.60 | $2.20 |
| Est. cost per 1M input + 1M output tokens | $0.75 | $2.75 |
| Cached input / 1M tokens | $0.075 | — |
| AA Intelligence Index | 11.6 | 11.7 |
| AA Coding Index | 30.4 | — |
| AA Agentic Index | 3.7 | — |
| Max output tokens | 65,536 | 40,000 |
| API providers | 22 | 2 |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
API cost
Estimated cost of 1M input + 1M output tokens via OpenRouter
gpt-oss-120b
$0.75
MiniMax M1
$2.75
gpt-oss-120b is 3.7× cheaper at list price.
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
gpt-oss-120b · fp16 @ 128K ctx
433.0 GB / 24 GB