LongCat-Flash-Thinking-2601 vs o1-preview

    Comparison

    As of August 21, 2026, LongCat-Flash-Thinking-2601 is 98% cheaper per million tokens than o1-preview. LongCat-Flash-Thinking-2601 is $0.30 / $1.20 per million input/output tokens versus o1-preview at $15.00 / $60.00. Sources: https://anotherwrapper.com/tools/llm-pricing and https://developers.openai.com/api/docs/pricing

    Sources: AnotherWrapper LLM pricing (https://anotherwrapper.com/tools/llm-pricing); OpenAI API pricing (https://developers.openai.com/api/docs/pricing)

    Better value

    LongCat-Flash-Thinking-2601

    Meituan

    $1.50blended / 1M

    Input

    $0.30

    Output

    $1.20

    128K ctx|Open Source
    98%
    cheaper

    o1-preview

    OpenAI

    $75.00blended / 1M

    Input

    $15.00

    Output

    $60.00

    128K ctx|Proprietary
    Save $73.50 per million tokens by choosing LongCat-Flash-Thinking-2601 over o1-preview.

    LongCat-Flash-Thinking-2601 vs o1-preview comparison

    Token pricing, specs, and benchmarks side by side

    Metric
    LongCat-Flash-Thinking-2601
    o1-preview
    Provider
    Provider
    Meituan
    OpenAI
    License
    Open Source
    Proprietary
    Release Date
    2026-01-14
    2024-09-12
    Pricing (per 1M tokens)
    Input Price-98%
    $0.30
    $15.00
    Output Price-98%
    $1.20
    $60.00
    Blended (1M + 1M)
    $1.50
    $75.00
    Model Details
    Context Window
    128K
    128K
    Max Output Tokens
    128K
    32.8K
    Knowledge Cutoff
    N/A
    October 2023
    Throughput
    100 tok/s
    66 tok/s
    Benchmarks
    25.2%
    80.5%
    73.3%
    50.3%
    56.6%
    42.4%
    99.6%
    31.1%
    42%
    90.8%
    85.5%
    52.3%
    90.8%
    Benchmark Wins
    LongCat-Flash-Thinking-2601 3|0 o1-preview

    Verdict

    LongCat-Flash-Thinking-2601 vs o1-preview: the bottom line

    LongCat-Flash-Thinking-2601 offers both lower pricing and stronger benchmark performance across the board, making it the clear value leader in this comparison.

    LongCat-Flash-Thinking-2601 vs o1-preview FAQ

    Which is cheaper, LongCat-Flash-Thinking-2601 or o1-preview?

    As of August 21, 2026, LongCat-Flash-Thinking-2601 is 98% cheaper on blended LLM API pricing. LongCat-Flash-Thinking-2601 costs $0.30 per million input tokens and $1.20 per million output tokens ($1.50 blended 1M-in + 1M-out). o1-preview costs $15.00 / $60.00 per million tokens ($75.00 blended). Sources: https://anotherwrapper.com/tools/llm-pricing and https://developers.openai.com/api/docs/pricing. The cheapest LLM for your app still depends on how many output tokens you generate.

    How much does LongCat-Flash-Thinking-2601 vs o1-preview cost per million tokens?

    LongCat-Flash-Thinking-2601 Meituan API pricing is $0.30 input and $1.20 output per million tokens via Meituan. o1-preview OpenAI API pricing is $15.00 input and $60.00 output per million tokens via OpenAI. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.

    Which is better for coding, LongCat-Flash-Thinking-2601 or o1-preview?

    LongCat-Flash-Thinking-2601 leads on SWE-bench Verified: LongCat-Flash-Thinking-2601 at 70% vs o1-preview at 41.3%. SWE-bench measures real GitHub fixes; LiveCodeBench measures contest programming.

    What is the context window for LongCat-Flash-Thinking-2601 vs o1-preview?

    LongCat-Flash-Thinking-2601 supports a 128K token context window, while o1-preview supports 128K tokens. Both models have the same context window size. Filling a larger window bills more input tokens, so the cheaper-per-million model can still cost more on long documents.

    Which model performs better on benchmarks, LongCat-Flash-Thinking-2601 or o1-preview?

    LongCat-Flash-Thinking-2601 leads on 3 of 3 shared benchmarks versus o1-preview's 0 wins. Check the comparison table for GPQA Diamond, SWE-bench, MMLU, HLE, and the other evals we track. Token price and benchmark score together are the usual LLM comparison, not either number alone.

    Is LongCat-Flash-Thinking-2601 or o1-preview better for production use?

    Both LongCat-Flash-Thinking-2601 and o1-preview are production API models. For cost-sensitive production traffic, LongCat-Flash-Thinking-2601 has better economics on the blended 1M-in + 1M-out scale. For maximum capability, weight the benchmark table for your domain. Many production stacks route cheap models for drafts and a frontier model for the hard turn, which is usually cheaper than sending everything to the expensive API.

    Can I switch between LongCat-Flash-Thinking-2601 and o1-preview in my app?

    Yes. Call LongCat-Flash-Thinking-2601 through Meituan and o1-preview through OpenAI with separate API keys, or through a gateway that already wraps both. Keep prompts in tokens, not characters, when you estimate the invoice. AnotherWrapper templates can swap providers without rewriting auth and billing.

    How accurate is this LongCat-Flash-Thinking-2601 vs o1-preview pricing data?

    List rates are the latest published Meituan API pricing and OpenAI API pricing, quoted per million tokens. Official rate sheets: https://anotherwrapper.com/tools/llm-pricing and https://developers.openai.com/api/docs/pricing. Prompt caching, batch APIs, and committed-use discounts can change the invoice. Benchmark scores are from official publications and independent evals, updated as new numbers land.

    What is the output token limit for LongCat-Flash-Thinking-2601 and o1-preview?

    LongCat-Flash-Thinking-2601 supports up to 128K output tokens per request, while o1-preview supports up to 33K output tokens. Output tokens are usually the expensive half of API pricing, so a higher max output cap is a capability, not a discount.

    Which model has better throughput, LongCat-Flash-Thinking-2601 or o1-preview?

    LongCat-Flash-Thinking-2601 runs at approximately 100 tokens/second while o1-preview runs at 66 tokens/second. LongCat-Flash-Thinking-2601 is faster in raw throughput. Throughput (tokens per second) and time-to-first-token are why two models with the same per-million-token price can still feel different in chat and agents.

    How do I switch the models in this LongCat-Flash-Thinking-2601 vs o1-preview comparison?

    Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open LongCat-Flash-Thinking-2601 or o1-preview from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.

    LongCat-Flash-Thinking-2601 vs o1-preview pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. LongCat-Flash-Thinking-2601 costs $0.30/M input and $1.20/M output. o1-preview costs $15.00/M input and $60.00/M output.

    Rank both on the LLM leaderboard, SWE-bench, and Humanity's Last Exam.

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