MiniMax-M3.1 Flash API pricing
Official MiniMax list price, last checked Oct 29, 2026. Updated Oct 29, 2026.
MiniMax-M3.1 Flash costs $0.15 per 1M input tokens and $0.60 per 1M output tokens, cached input at $0.015, per MiniMax's official pricing page (checked Oct 29, 2026). It's priced in the middle of the pack: number 13 of 77 by blended price ($0.2625 per 1M tokens at a 3 to 1 input to output mix). On LMArena's Code Arena it ranks #26 of 50 models we price (relative score 16 out of 100). Nothing on our list is much cheaper.
MiniMax-M3.1 Flash price per million tokens
| MiniMax-M3.1 Flash price per million tokens | USD |
|---|---|
| Input | $0.15 |
| Cached input | $0.015 |
| Output | $0.60 |
| Blended, 3 parts input to 1 part output | $0.2625 |
| Context window | Not listed |
MiniMax lists one flat rate for MiniMax-M3.1 Flash: no long-prompt surcharge or tier is shown on the pricing page we checked.
What MiniMax-M3.1 Flash costs for real work
List-price estimates for a month, no discounts. Our math, not a quote: change the token counts in the plan vs API calculator.
| Workload | Tokens a month | MiniMax-M3.1 Flash | Mistral Small 4 |
|---|---|---|---|
| Light: a side project or personal assistant | 2M in, 0.5M out | $0.60 | $0.60 |
| Medium: a small team or one product feature | 20M in, 5M out | $6.00 | $6.00 |
| Heavy: a production app | 200M in, 50M out | $60.00 | $60.00 |
| Medium with 80% of input cached | 20M in (16M cached), 5M out | $3.84 | $3.84 |
How MiniMax-M3.1 Flash ranks on LMArena
Relative score: 100 is the top model we price on that board. Rank is among the models in our price table, not the full leaderboard.
| Board | Rank | Score /100 |
|---|---|---|
| Coding (Code Arena) | #26 of 50 | 16 |
Closest rivals to MiniMax-M3.1 Flash
The models nearest in price, other makers first. Ranks are on Code Arena, where we have them.
| Model | In / out | Blended | Verdict |
|---|---|---|---|
| Mistral Small 4 | $0.15 / $0.60 | $0.2625 | Same price, no score to separate them. Compare |
| GLM-5.3 Flash | $0.15 / $0.50 | $0.2375 | GLM-5.3 Flash wins on both. Compare |
| Hunyuan Hy3 | $0.132 / $0.528 | $0.231 | Hunyuan Hy3 for price, MiniMax-M3.1 Flash for quality. Compare |
| Qwen3.8 Flash | $0.15 / $0.47 | $0.23 | Qwen3.8 Flash wins on price. Compare |
Cheaper alternatives to MiniMax-M3.1 Flash
Nothing in our table is at least 40% cheaper blended. See the cheapest LLM API ranking for the low end.
More from MiniMax
FAQ
How much does the MiniMax-M3.1 Flash API cost per million tokens?
$0.15 per 1M input tokens and $0.60 per 1M output tokens, plus $0.015 per 1M for cached input, as of Oct 29, 2026. A typical 3 to 1 input to output mix works out to $0.2625 per 1M tokens.
Does MiniMax-M3.1 Flash charge more for long prompts?
No. MiniMax lists a single rate on its pricing page.
Is MiniMax-M3.1 Flash cheaper than Mistral Small 4?
About the same. A medium month (20M input and 5M output tokens) costs $6.00 on MiniMax-M3.1 Flash and $6.00 on Mistral Small 4 at list price. On Code Arena, MiniMax-M3.1 Flash ranks #26 and Mistral Small 4 isn't ranked.
How does MiniMax-M3.1 Flash rank on LMArena?
On Code Arena it is #26 of 50 models we price, with a relative score of 16 out of 100.
What is a cheaper alternative to MiniMax-M3.1 Flash?
Few models undercut it by much. The next closest in price is Mistral Small 4 at $0.2625 blended.
Where does this MiniMax-M3.1 Flash price come from?
From MiniMax's official pricing page, which we check every day. This page was last checked Oct 29, 2026.