GLM 5.3 Flash vs MiniMax M2.5: price, context window and capabilities
GLM 5.3 Flash (z-ai/glm-5.3-flash) is a multimodal language model from Z.ai and MiniMax M2.5 (minimax/minimax-m2.5) a language model from MiniMax; both are on the OceanToken API. GLM 5.3 Flash costs less per token than MiniMax M2.5: $0.15 against $0.30 per 1M input tokens (50% less) and $0.50 against $1.20 per 1M output tokens (58% less). GLM 5.3 Flash has the larger context window: 1.05M tokens (1,048,576) against 205K (204,800) for MiniMax M2.5. Both support tool calling, reasoning and structured outputs; only GLM 5.3 Flash also lists image input and video input.
Side by side
| Spec | GLM 5.3 Flash | MiniMax M2.5 |
|---|---|---|
| Model | GLM 5.3 Flashz- | MiniMax M2.5minimax/ |
| Publisher | Z.ai | MiniMax |
| Kind | Text, vision & video | Text |
| Context window | 1.05M tokens1,048,576 | 205K tokens204,800 |
| Input price | $0.15 / 1M tokens | $0.30 / 1M tokens |
| Output price | $0.50 / 1M tokens | $1.20 / 1M tokens |
| Cached input price | $0.03 / 1M tokens | $0.03 / 1M tokens |
| Inputs | text, images and video | text |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
About these prices
Which should you choose?
- Choose GLM 5.3 Flash to spend less per token: 50% less for input and 58% less for output than MiniMax M2.5.
- Choose GLM 5.3 Flash for the longest inputs: its context window holds 1.05M tokens against 205K for MiniMax M2.5.
- Choose GLM 5.3 Flash if you need image input and video 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 GLM 5.3 Flash MiniMax M2.5
Frequently asked questions
Which is cheaper, GLM 5.3 Flash or MiniMax M2.5?
GLM 5.3 Flash. GLM 5.3 Flash costs less per token than MiniMax M2.5: $0.15 against $0.30 per 1M input tokens (50% 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, GLM 5.3 Flash or MiniMax M2.5?
GLM 5.3 Flash. GLM 5.3 Flash has the larger context window: 1.05M tokens (1,048,576) against 205K (204,800) for MiniMax M2.5.
Can I call both GLM 5.3 Flash and MiniMax M2.5 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 z-ai/glm-5.3-flash or minimax/minimax-m2.5.
Models and publishers
GLM 5.3 Flash · MiniMax M2.5 · All Z.ai models · All MiniMax models
More comparisons
GLM 5.3 Flash vs Claude Sonnet 5.5 · GLM 5.3 Flash vs Claude Opus 5.5 · GLM 5.3 Flash vs Claude Fable 5.1 · GLM 5.3 Flash vs Claude Opus 5 · All comparisons