MiniMax M2.5 vs GPT-6 Luna Pro: price, context window and capabilities
MiniMax M2.5 (minimax/minimax-m2.5) is a language model from MiniMax and GPT-6 Luna Pro (openai/gpt-6-luna-pro) a multimodal language model from OpenAI; both are on the OceanToken API. GPT-6 Luna Pro costs less per token than MiniMax M2.5: $0.10 against $0.30 per 1M input tokens (67% less) and $0.50 against $1.20 per 1M output tokens (58% less). GPT-6 Luna Pro has the larger context window: 1.05M tokens (1,050,000) against 205K (204,800) for MiniMax M2.5. Both support tool calling, reasoning and structured outputs; only GPT-6 Luna Pro also lists image input and file input.
Side by side
| Spec | MiniMax M2.5 | GPT-6 Luna Pro |
|---|---|---|
| Model | MiniMax M2.5minimax/ | GPT-6 Luna Proopenai/ |
| Publisher | MiniMax | OpenAI |
| Kind | Text | Text & vision |
| Context window | 205K tokens204,800 | 1.05M tokens1,050,000 |
| Input price | $0.30 / 1M tokens | $0.10 / 1M tokens |
| Output price | $1.20 / 1M tokens | $0.50 / 1M tokens |
| Cached input price | $0.03 / 1M tokens | $0.01 / 1M tokens |
| Cache write price | – | $0.125 / 1M tokens |
| Web search price | – | $0.01 / search |
| Inputs | text | text, images and files |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
About these prices
Which should you choose?
- Choose GPT-6 Luna Pro to spend less per token: 67% less for input and 58% less for output than MiniMax M2.5.
- Choose GPT-6 Luna Pro for the longest inputs: its context window holds 1.05M tokens against 205K for MiniMax M2.5.
- Choose GPT-6 Luna Pro if you need image input and file input: MiniMax M2.5 does not list them.
- Not sure? Call both with the same OceanToken API key and compare them on your own prompts; each request is billed per use from one prepaid balance.
Get API Key MiniMax M2.5 GPT-6 Luna Pro
Frequently asked questions
Which is cheaper, MiniMax M2.5 or GPT-6 Luna Pro?
GPT-6 Luna Pro. GPT-6 Luna Pro costs less per token than MiniMax M2.5: $0.10 against $0.30 per 1M input tokens (67% less) and $0.50 against $1.20 per 1M output tokens (58% less). These are OceanToken starting prices per use; the OceanToken console always shows the current price.
Which has the larger context window, MiniMax M2.5 or GPT-6 Luna Pro?
GPT-6 Luna Pro. GPT-6 Luna Pro has the larger context window: 1.05M tokens (1,050,000) against 205K (204,800) for MiniMax M2.5.
Can I call both MiniMax M2.5 and GPT-6 Luna Pro with one API key?
Yes. Both are on the OceanToken API at https://api.oceantoken.ai/v1: one API key and one prepaid balance call either model. Send the model id minimax/minimax-m2.5 or openai/gpt-6-luna-pro.
Models and publishers
MiniMax M2.5 · GPT-6 Luna Pro · All MiniMax models · All OpenAI models
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