MiniMax M3 vs Claude Opus 4.8
On provider list prices, MiniMax M3 costs $0.30 per million input tokens against $5 for Claude Opus 4.8: 16.7x apart. Output is $1.20 against $25 (20.8x). On Allocate both bill at list plus the 7% transaction fee.
Specifications and provider list prices from the Allocate catalog, checked 2026-07-08. Billed price is list plus the 7% transaction fee.
What the numbers say
Take 1,000,000 requests a month at 1,200 input and 350 output tokens each. That workload costs $780 a month on MiniMax M3 and $14,750 on Claude Opus 4.8 at list: a gap of $13,970, or 18.9x.
MiniMax M3 reads 512K tokens per request against 200K for Claude Opus 4.8, 2.6x the window. That decides which one can take whole documents without splitting them.
Choose MiniMax M3 for
- The lower list price ($0.30 in / $1.20 out per M tokens)
- The longer context window (512K vs 200K tokens)
- Published cached-input pricing ($0.06 per M tokens)
Choose Claude Opus 4.8 for
- Hardest reasoning problems
- High-stakes analysis
- Escalation tier for agents
Common questions
Which is cheaper, MiniMax M3 or Claude Opus 4.8?
MiniMax M3, on this workload shape. At list prices it is $0.30/$1.20 per million tokens in and out against $5/$25 for Claude Opus 4.8. Billed on Allocate: $0.32/$1.28 against $5.35/$26.75, list plus 7%.
Which has the bigger context window?
MiniMax M3: 524,288 tokens (512K) against 200,000 (200K) for Claude Opus 4.8.
Can I fine-tune MiniMax M3 or Claude Opus 4.8?
No. Both are closed models served over API. If you want a model you can train and own, start from an open-weights base in the catalog.
Related comparisons
Run the numbers on your workload
Or don’t choose. On Allocate a route name is the contract: point yours at one model today, swap to the other tomorrow, and compare them on your live traffic with per-token metering.