MiniMax M3 vs GLM-5.3: API pricing and features

MiniMax M3 vs GLM-5.3 on BigModel.io: price, context, inputs and Claude Code support. MiniMax M3 $0.30 / $1.20, GLM-5.3 $0.20 / $0.64 per 1M input / output tokens.

In short

  • GLM-5.3 is cheaper: a typical coding-agent request (20K in, 2K out) costs about $0.0053, against $0.0084 on MiniMax M3, which costs about 1.6 times as much.
  • Only GLM-5.3 works in Claude Code; use the other in OpenCode, Cline, Cursor or another OpenAI-compatible tool.
  • Only MiniMax M3 accepts image input.

Prices are what BigModel.io charges today, in US dollars. Quality depends on your task: try both on the same prompt before you switch.

Side by side

MiniMax M3GLM-5.3
Model IDminimax-m3glm-5.3
DeveloperMiniMaxGLM
Input / 1M tokens$0.30$0.20
Output / 1M tokens$1.20$0.64
Cached input / 1M$0.06$0.04
Below official price4%85%
Agent request (20K in, 2K out)$0.0084$0.0053
Context window—1M
InputsText, Image, VideoText
Claude Code (/v1/messages)NoYes
Chat CompletionsYesYes

Switch between them

Both use the same key and base URL. Change only the model field:

client.chat.completions.create(model="minimax-m3", ...)  # or "glm-5.3"

To fall back automatically when one is unavailable, send both in models: "models": ["minimax-m3", "glm-5.3"] Fallback →