{
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    "url": "https://anawords.com/story/minimax-m3-1-flash-price-benchmarks-open-weights",
    "title": "MiniMax launches M3.1 Flash at $0.15 per million input tokens, with open weights planned",
    "summary": "The Chinese lab says the model is faster and 70% cheaper on agent tasks than its predecessor. Independent tests from Artificial Analysis show strong scores and a high hallucination rate on one test.",
    "section": "Models & Launches",
    "type": "launch",
    "published": "2026-10-20T13:25:16+05:30",
    "updated": "2026-10-20T13:25:16+05:30",
    "version": 1,
    "author": {
        "name": "Mayank Sahu",
        "url": "https://anawords.com/author/mayank-sahu"
    },
    "how_checked": "Sources checked by AI; published under the editor’s standing approval. Not read line by line by a person before publication.",
    "ai_assisted": true,
    "research_note": "https://anawords.com/research/minimax-m3-1-flash-price-benchmarks-open-weights",
    "labels": {
        "confirmed": {
            "name": "Confirmed",
            "meaning": "An official source says it: lab docs, pricing page, notice."
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        },
        "claim": {
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        "unconfirmed": {
            "name": "Unconfirmed",
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        "unknown": {
            "name": "Not known",
            "meaning": "Not announced or not answered yet."
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    "facts": [
        {
            "id": "f1",
            "text": "M3.1 Flash costs $0.15 input, $0.60 output and $0.015 cached input per million tokens.",
            "label": "confirmed",
            "label_name": "Confirmed",
            "key_fact": true,
            "sources": [
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        {
            "id": "f2",
            "text": "MiniMax says agent tasks cost 70% less than on its predecessor.",
            "label": "claim",
            "label_name": "Company claim",
            "key_fact": true,
            "sources": [
                1
            ],
            "outcome": null
        },
        {
            "id": "f3",
            "text": "Artificial Analysis gives it 42 on its Intelligence Index, up from 29 for M3.",
            "label": "unconfirmed",
            "label_name": "Unconfirmed",
            "key_fact": false,
            "sources": [
                2
            ],
            "outcome": null
        },
        {
            "id": "f4",
            "text": "On AA-Omniscience it scored 56% correct with a 93% hallucination rate.",
            "label": "unconfirmed",
            "label_name": "Unconfirmed",
            "key_fact": false,
            "sources": [
                2
            ],
            "outcome": null
        },
        {
            "id": "f5",
            "text": "Open weights will be released later; VentureBeat reports 23 October.",
            "label": "unconfirmed",
            "label_name": "Unconfirmed",
            "key_fact": false,
            "sources": [
                2
            ],
            "outcome": null
        },
        {
            "id": "f6",
            "text": "Licence terms for the open weights.",
            "label": "unknown",
            "label_name": "Not known",
            "key_fact": false,
            "sources": [],
            "outcome": null
        }
    ],
    "sources": [
        {
            "n": 1,
            "url": "https://www.minimax.io/blog/minimax-m31f",
            "title": "MiniMax: M3.1 Flash announcement",
            "type": "official",
            "checked": "20 Oct 2026",
            "archive": {
                "url": "https://web.archive.org/web/20261020080007/https://www.minimax.io/blog/minimax-m31f",
                "archived": "2026-10-20T13:30:07+05:30"
            },
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        },
        {
            "n": 2,
            "url": "https://venturebeat.com/technology/minimaxs-new-m3-1-flash-beats-deepseek-and-opus-5-on-a-key-business-benchmark-at-lower-cost-but-with-a-high-hallucination-rate",
            "title": "VentureBeat: MiniMax’s new M3.1 Flash beats DeepSeek and Opus 5 on a key business benchmark at lower cost",
            "type": "outlet",
            "checked": "20 Oct 2026",
            "archive": null,
            "original_gone": false
        }
    ],
    "promises": [
        {
            "key": "minimax-release-open-weights-for-m3-1-flash",
            "company": "MiniMax",
            "promise": "Release open weights for M3.1 Flash",
            "due": "23 October 2026",
            "due_date": "2026-10-23",
            "status": "pending",
            "tracker": "https://anawords.com/tracker/promises#p-minimax-release-open-weights-for-m3-1-flash"
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    ],
    "prices": [
        {
            "model": "minimax-m3.1-flash",
            "lab": "MiniMax",
            "tier": "Standard",
            "currency": "USD",
            "unit": "per 1M tokens",
            "input": 0.15,
            "output": 0.6,
            "cached_input": 0.015,
            "effective": "2026-10-19",
            "label": "Confirmed",
            "source": "https://www.minimax.io/blog/minimax-m31f",
            "note": "Flat price as listed in MiniMax’s launch post on 19 Oct 2026.",
            "story": null
        }
    ],
    "incidents": [],
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        "url": "https://anawords.com/uploads/2026/10/minimax-m3-1-flash-price-benchmarks-open-weights-16x9.webp",
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            "date": "2026-10-20T13:25:16+05:30",
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            "note": "First published. Research note published first. Sources checked by AI; approved for publication by the editor."
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    "license": {
        "facts_and_data": "Creative Commons Attribution 4.0 (CC BY 4.0)",
        "url": "https://creativecommons.org/licenses/by/4.0/",
        "article_text": "© Anawords. Quote with a link.",
        "attribution": "Anawords, https://anawords.com/story/minimax-m3-1-flash-price-benchmarks-open-weights"
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