MiniMax: MiniMax M1 vs OpenAI: GPT-5.1
MiniMax: MiniMax M1 is cheaper than OpenAI: GPT-5.1 by about 75% on a blended (75% input / 25% output) basis. MiniMax: MiniMax M1 charges $0.400000 / $2.200000 per 1M input/output tokens; OpenAI: GPT-5.1 charges $1.250000 / $10.000000.
| Field | MiniMax: MiniMax M1 | OpenAI: GPT-5.1 |
|---|---|---|
| Input $/Mtok | $0.400000 | $1.250000 |
| Output $/Mtok | $2.200000 | $10.000000 |
| Cache read $/Mtok | – | $0.125000 |
| Cache write $/Mtok | – | – |
| Input $/Mchar | n/a | 0.352142 |
| Output $/Mchar | n/a | 2.817139 |
| Context window | 1000000 | 400000 |
| Tokenizer | – | o200k |
Price history
Same workload, monthly cost
Illustrative monthly cost at 10M tokens/month, split per workload preset. Not a substitute for the calculator, which uses your own volume, cache and batch assumptions.
| Workload | MiniMax: MiniMax M1 | OpenAI: GPT-5.1 |
|---|---|---|
| Coding agent | $4.90 | $16.88 |
| RAG chat | $6.70 | $25.63 |
| Summarisation (batch) | $5.80 | $21.25 |
| Classification | $4.36 | $14.25 |
| Chat assistant | $11.20 | $47.50 |
| Content generation | $18.40 | $82.50 |
Cite this page
MiniMax: MiniMax M1 vs OpenAI: GPT-5.1: $0.400000/$2.200000 vs $1.250000/$10.000000 per 1M tokens as of 2026-10-04. Token Barometer by Dejan Strbad, https://tokenbarometer.com, data CC BY 4.0. https://tokenbarometer.com/compare/minimax_minimax-m1-vs-openai_gpt-5.1
MiniMax: MiniMax M1 page | OpenAI: GPT-5.1 page | Open in calculator