MiniMax M3.1 Flash API pricing per million tokens
MiniMax M3.1 Flash costs $0.15 per million input tokens and $0.60 per million output, with a 1M context window. MiniMax Code has a free plan and paid plans from $22/mo (Go); the plan list does not name MiniMax M3.1 Flash.
AIGROW credit covers Claude Opus 5.5, Claude Fable 5.2, Claude Fable 5.1, GPT-6 Astra, Claude Sonnet 5.5, GPT-6.1 Sol, GPT-6.1 Terra, Grok 4.7 and Gemini 4 Argon. See API credit
$25 a month brings $110 of API credit and cancels any time; $25 once buys $100. US dollars per million tokens, standard rate, shortest context band. Plan prices read 20 October 2026.
- 1,000 support replies
- $0.69
- Cached input
- $0.015
- Context window
- 1,000,000 tokens
- Released
- 19 Oct 2026
- Weights
- Open weights
From MiniMax’s own pages, 12 November 2026.
MiniMax M3.1 Flash costs $0.15 per million input tokens and $0.60 per million output tokens on MiniMax’s own API, and $0.015 for cached input. At those prices 1,000 support replies cost $0.69, the 7th cheapest of 49 priced models on our list.
AIGROW API credit per million input / output tokens: Claude Opus 5.5 $1.60 / $8.00, Claude Fable 5.2 $3.20 / $16.00, Claude Fable 5.1 $4.00 / $20.00, GPT-6 Astra $2.50 / $12.50, Claude Sonnet 5.5 $0.80 / $4.00, GPT-6.1 Sol $0.50 / $2.50, GPT-6.1 Terra $0.25 / $1.25, Grok 4.7 $0.50 / $1.50 and Gemini 4 Argon $1.00 / $5.00. That is up to 75% below list price. See API credit
What a job costs
Three jobs, 1,000 runs of each, at the list price above, and where each puts MiniMax M3.1 Flash among the 49 models with a list price.
| Job | 1,000 runs | Among 49 |
|---|---|---|
| Support reply3,000 in, 400 out. | $0.69 | 7th cheapest |
| Document summary25,000 in, 1,000 out. | $4.35 | 6th cheapest |
| Agent task80,000 in (70,000 cached), 3,000 out. | $4.35 | 5th cheapest |
The token counts are ours, chosen to look like real work; the prices are MiniMax’s. All three jobs stay under 100,000 tokens a request, below every long-context surcharge on the list.
The small print
What the base rate above leaves out, copied from the maker’s pages: surcharges, discounts, promotions and cache pricing.
MiniMax pitches it as an efficient open-weight model for everyday work, next to MiniMax M3, which remains available. Release date is the MiniMax launch post date.
MiniMax M3.1 Flash against the models it is weighed with
Each comparison puts both list prices side by side and costs the same three jobs on each.
- vs MiniMax M3
- MiniMax's new Flash model against the M3 that stays on sale, at half the M3 price on input and output.
- vs DeepSeek V4.1 Flash
- Open-weight budget APIs with 1M context, where MiniMax's list price matches DeepSeek's off-peak rate.
Other MiniMax models
| Model | Input | Output | Context | 1,000 replies |
|---|---|---|---|---|
| MiniMax M3MiniMax · open weights | $0.30 | $1.20 | 1M | $1.38 |
Where the price comes from
Read on 12 November 2026. Each price is the standard rate for the shortest context band, with no batch or priority discount; long-context surcharges, batch rates and promotions are in each model’s small print. No price was taken from a reseller.
Compare MiniMax M3.1 Flash with 53 other models
The price list sets every model’s input and output price side by side, with what a support reply, a document summary and an agent task cost on each.
Prices checked 12 November 2026 · See them by release date