MiniMax-M2.5 is a SOTA large language model designed for real-world productivity. Trained in a diverse range of complex real-world digital working environments, M2.5 builds upon the coding expertise of M2.1 to extend into general office wor…
Model details →MiniMax: MiniMax M2.5 (free) vs OpenAI: gpt-oss-120b
MiniMax: MiniMax M2.5 (free) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B parameters per forward pass and is optimize…
Model details →Side-by-side comparison
| Capability | MiniMax: MiniMax M2.5 (free) | OpenAI: gpt-oss-120b | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 197K | 131K | 🏆 MiniMax: MiniMax M2.5 (free) |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.00 | $0.04 | 🏆 MiniMax: MiniMax M2.5 (free) |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.00 | $0.19 | 🏆 MiniMax: MiniMax M2.5 (free) |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | — | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is MiniMax: MiniMax M2.5 (free) better than OpenAI: gpt-oss-120b?
MiniMax: MiniMax M2.5 (free) wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between MiniMax: MiniMax M2.5 (free) and OpenAI: gpt-oss-120b?
Input: $0.00 vs $0.04 per 1M tokens. Output: $0.00 vs $0.19 per 1M tokens.
What context windows do MiniMax: MiniMax M2.5 (free) and OpenAI: gpt-oss-120b support?
MiniMax: MiniMax M2.5 (free) supports up to 197K tokens. OpenAI: gpt-oss-120b supports up to 131K tokens.
Do both MiniMax: MiniMax M2.5 (free) and OpenAI: gpt-oss-120b support tool calling?
MiniMax: MiniMax M2.5 (free): yes. OpenAI: gpt-oss-120b: yes.