MiniMax M3.1 Flash

MiniMax M3.1 Flash is MiniMax's fast, low-cost successor to M3, built for agentic work, coding, computer use and long-context tasks across a 1M-token window.

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input · usd / 1m tok

$0.15

output · usd / 1m tok

$0.60

context window

1mtokens

modalities · in → out

pricing

base api ratesusd per 1m tokens

input: $0.15
output: $0.60
cache read: $0.015

providers

MiniMax hosts MiniMax M3.1 Flash. Impossibl routes your request intelligently and handles failover automatically when a provider is down.

MiniMax

specifications

takes text and image in, gives text outminimaxai/minimax-m3.1-flash

creatorMiniMax
model typeText generation
context window1,000,000 tokens
maximum outputnot published
input
takes text and image in, gives text out
outputtext
tool callingnot verified
releasedoct 19, 2026
endpoint/v1/chat/completions

unknown means the public catalog does not establish that fact. a model's documented capabilities can differ from what a particular api supports. see the model documentation for integration details.

try it · your prompt, this model, live

# responses API
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["IMPOSSIBL_API_KEY"],
    base_url="https://api.impossibl.com/v1",
)

resp = client.responses.create(
    model="minimaxai/minimax-m3.1-flash",
    input="▌",
)
print(resp.output_text)

edit the prompt, then run

# responses API
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["IMPOSSIBL_API_KEY"],
    base_url="https://api.impossibl.com/v1",
)

resp = client.responses.create(
    model="minimaxai/minimax-m3.1-flash",
    input="▌",
)
print(resp.output_text)

edit the prompt, then run

benchmarks

intelligence index

42.4#21 of 111 models on the gateway

omniscience15.6#20 of 87
humanity’s last exam48.0%#8 of 90

AA-LCR79.7%
MMMU-Pro79.1%
AutomationBench Partial72.5%
SciCode53.4%
Humanity’s Last Exam48.0%
CritPt22.3%
GDP.pdf All-pass20.8%

Intelligence Index42.38
Omniscience Index15.55
GDPval Elo1457.69
legal index (API)46.8
economics index (API)50
engineering index (API)43.4
intelligence index (API)42.4
strategy and ops index (API)54.6
finance and accounting index (API)49

view source ↗all source data and breakdowns (json) ↗

each configuration is listed separately; these evaluations describe the tested model configuration, and performance and costs can differ on impossibl. unmeasured scores are omitted and api values keep their source units. last checked 2026-10-19.

compare MiniMax M3.1 Flash with other models

frontier labs and open weights, best-ranked firstusd / 1m tok · in / out

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frequently asked questions

What is MiniMax M3.1 Flash?

MiniMax M3.1 Flash is MiniMax's fast, low-cost successor to M3, built for agentic work, coding, computer use and long-context tasks across a 1M-token window. Its reasoning is always on and tunable across five effort levels, and it accepts text and image input with tool calling.

How much does MiniMax M3.1 Flash cost?

MiniMax M3.1 Flash costs $0.15 per million input tokens and $0.60 per million output tokens through the Impossibl API. Cache reads cost $0.015 per million tokens. All rates are in USD.

view the pricing table ↑

What is the context length of MiniMax M3.1 Flash?

MiniMax M3.1 Flash has a 1,000,000-token context window through the Impossibl API.

What inputs and outputs does MiniMax M3.1 Flash support?

MiniMax M3.1 Flash accepts text and image as input. MiniMax M3.1 Flash returns text.

How do I use MiniMax M3.1 Flash through an API?

MiniMax M3.1 Flash is available through the Impossibl API. Use minimaxai/minimax-m3.1-flash as the model identifier with /v1/chat/completions. The quickstart explains how to create an API key and send your first request.

follow the api quickstart →

When was MiniMax M3.1 Flash released?

MiniMax released MiniMax M3.1 Flash on October 19, 2026.

Creator release announcement ↗

this page describes MiniMax M3.1 Flash as listed by the impossibl public api. prices and availability come from that catalog, refreshed here every five minutes. this is an impossibl offering, not a comparison of independent hosting-provider quotes. model descriptions and release dates, where available, use the creator sources linked under the answers above.

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