Home › Compare › MiniMax: MiniMax M2.1 vs MiniMax: MiniMax M3.1 Flash (free)
MiniMax: MiniMax M2.1 vs MiniMax: MiniMax M3.1 Flash (free): API Pricing Compared
Comparing MiniMax: MiniMax M2.1 and MiniMax: MiniMax M3.1 Flash (free): on combined input+output list price, MiniMax: MiniMax M3.1 Flash (free) is cheaper at $0 (free) vs $1.5 per 1M tokens — a difference of $1.5 (100%). MiniMax: MiniMax M2.1 costs $0.3 in / $1.2 out with a 204,800-token context; MiniMax: MiniMax M3.1 Flash (free) costs $0 (free) in / $0 (free) out with a 1,000,000-token context.
| MiniMax: MiniMax M2.1 | MiniMax: MiniMax M3.1 Flash (free) | |
|---|---|---|
| Input /1M | $0.3 | Free |
| Output /1M | $1.2 | Free |
| Cached input /1M | $0.03 | — |
| Context window | 204,800 | 1,000,000 |
| Max output tokens | 131,072 | 524,288 |
| Cost @ 10M in + 2M out / mo | $5.4 | $0 (free) |
Estimate your own workload in the cost calculator, or open the full pages for MiniMax: MiniMax M2.1 and MiniMax: MiniMax M3.1 Flash (free).
Frequently asked questions
Which is cheaper, MiniMax: MiniMax M2.1 or MiniMax: MiniMax M3.1 Flash (free)?
MiniMax: MiniMax M3.1 Flash (free) is cheaper on combined list price: $0 (free) vs $1.5 per 1M tokens (input + output). At 10M input + 2M output tokens per month, MiniMax: MiniMax M2.1 costs $5.4 and MiniMax: MiniMax M3.1 Flash (free) costs $0 (free).
Which has the larger context window, MiniMax: MiniMax M2.1 or MiniMax: MiniMax M3.1 Flash (free)?
MiniMax: MiniMax M2.1 has a context window of 204,800 tokens; MiniMax: MiniMax M3.1 Flash (free) has 1,000,000 tokens. The larger one is MiniMax: MiniMax M3.1 Flash (free).
Price snapshot October 21, 2026, refreshed daily.