MiniMax route
MiniMax-M3.1-flash
MiniMax M3.1 Flash API access.
MiniMax's new Flash model, released 19 October 2026. $0.15 / $0.60 per 1M tokens, half of MiniMax M3, with no long-context surcharge. Cache reads are $0.028 per 1M. Reasoning is always on, with effort low / medium / high / xhigh / max; reasoning tokens bill as output. See the MiniMax M3.1 Flash API pricing notes.
Input / 1M tokens
$0.15
Output / 1M tokens
$0.60
Cached input / 1M tokens
$0.028
Context window
1M
Provider
MiniMax
Workload calculator
Put the token rate into context.
These examples apply the published input and output rates directly. Actual cost follows the exact tokens your client sends and the model returns.
This route is the 9th cheapest of 64 comparable text models and cheaper than 55 on the same key. Its context window ranks 37th of 64.
Short request
$0.0021
10K input + 1K output
Agent turn
$0.021
100K input + 10K output
Exact token billing
No request minimum
One model ID change
OpenAI compatible
Cost neighbourhood
Nearby routes, same workload.
Every comparison uses the same 100K-input / 10K-output turn. Changing route is a one-line model ID edit.
Price does not measure task quality. For generation routes, see GPT Image 2.
First request
Route it in one call.
Use any OpenAI SDK or tool. Keep the request shape, point the base URL at RouterPlex, and set the model ID shown here.
Read the quickstartcurl https://api.routerplex.com/v1/chat/completions \-H "Authorization: Bearer $ROUTERPLEX_API_KEY" \-H "Content-Type: application/json" \-d '{"model": "MiniMax-M3.1-flash","messages": [{"role": "user", "content": "Hello!"}]}'
Route notes
Questions before production traffic.
01How much does the MiniMax M3.1 Flash API cost?+
Through RouterPlex, MiniMax M3.1 Flash costs $0.15 per 1M input tokens and $0.60 per 1M output tokens — the vendor list price with 0% markup, billed per token from a prepaid balance you top up from $5. Cached input tokens are billed at $0.028 per 1M instead of the full input rate, which is most of the prompt on a repeated agent or coding loop.
02What does one MiniMax M3.1 Flash agent turn cost?+
A 100K-token input with a 10K-token reply costs about $0.021 on MiniMax M3.1 Flash. That makes it the 9th cheapest of 64 comparable text models on RouterPlex, roughly 75% more the cost of the cheapest option (Muse Spark 1.2 Contributor).
03What is a cheaper alternative to MiniMax M3.1 Flash?+
GLM-5.3 Flash from Zhipu is the closest cheaper model on RouterPlex — $0.020 per agent turn against $0.021 for MiniMax M3.1 Flash, at $0.15/1M input and $0.50/1M output. Both run on the same key and the same endpoint, so switching is a one-line model ID change.
04Is MiniMax M3.1 Flash cheaper than DeepSeek V4 Flash?+
Yes. Per agent turn, MiniMax M3.1 Flash costs about $0.021 against $0.025 for DeepSeek V4 Flash — 17% less.
05What is the context window of MiniMax M3.1 Flash?+
MiniMax M3.1 Flash supports a 1M token context window on RouterPlex, the 37th largest of the 64 models that publish one.
06Can I use MiniMax M3.1 Flash with the OpenAI SDK?+
Yes. RouterPlex serves MiniMax M3.1 Flash through an OpenAI-compatible endpoint at https://api.routerplex.com/v1 — point any OpenAI SDK or tool at that base URL with your RouterPlex key and set model to "MiniMax-M3.1-flash".
Provider family
More from MiniMax.
Deploy this route
Put MiniMax M3.1 Flash behind one key.
Top up from $5 with no subscription required.