ChatGPT-4o Latest vs LongCat-Flash-Chat

    Comparison

    As of August 25, 2026, LongCat-Flash-Chat is 88% cheaper per million tokens than ChatGPT-4o Latest. ChatGPT-4o Latest is $2.50 / $10.00 per million input/output tokens versus LongCat-Flash-Chat at $0.30 / $1.20. Sources: https://developers.openai.com/api/docs/pricing and https://anotherwrapper.com/tools/llm-pricing

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

    ChatGPT-4o Latest

    OpenAI

    $12.50blended / 1M

    Input

    $2.50

    Output

    $10.00

    128K ctx|Proprietary
    88%
    cheaper
    Better value

    LongCat-Flash-Chat

    Meituan

    $1.50blended / 1M

    Input

    $0.30

    Output

    $1.20

    128K ctx|Open Source
    Save $11.00 per million tokens by choosing LongCat-Flash-Chat over ChatGPT-4o Latest.

    ChatGPT-4o Latest vs LongCat-Flash-Chat comparison

    Token pricing, specs, and benchmarks side by side

    Shared benchmarks

    Each bar is share of the current leader on that eval. Click a row to open the board.

    ChatGPT-4o LatestLongCat-Flash-Chat

    Score vs price

    GPQA. Left is cheaper. Up is a higher score. The line is the best score you can buy at each price.

    Best score at each priceChatGPT-4o LatestLongCat-Flash-Chat
    Metric
    ChatGPT-4o Latest
    LongCat-Flash-Chat
    Provider
    Provider
    OpenAI
    Meituan
    License
    Proprietary
    Open Source
    Release Date
    2024-05-13
    2025-08-29
    Pricing (per 1M tokens)
    Input Price+733%
    $2.50
    $0.30
    Output Price+733%
    $10.00
    $1.20
    Blended (1M + 1M)
    $12.50
    $1.50
    Model Details
    Context Window
    128K
    128K
    Max Output Tokens
    16.4K
    128K
    Knowledge Cutoff
    N/A
    N/A
    Throughput
    132 tok/s
    100 tok/s
    Benchmarks
    84%
    73.2%
    89.7%
    61.3%
    96.4%
    89.7%
    88.4%
    84.3%
    79.1%
    82.7%
    89.3%
    Benchmark Wins
    ChatGPT-4o Latest 1|0 LongCat-Flash-Chat

    Verdict

    ChatGPT-4o Latest vs LongCat-Flash-Chat: the bottom line

    LongCat-Flash-Chat offers significantly lower pricing, while ChatGPT-4o Latest leads on benchmark performance. Your choice depends on whether cost efficiency or raw capability matters more for your use case.

    ChatGPT-4o Latest vs LongCat-Flash-Chat FAQ

    Which is cheaper, ChatGPT-4o Latest or LongCat-Flash-Chat?

    As of August 25, 2026, LongCat-Flash-Chat is 88% cheaper on blended LLM API pricing. LongCat-Flash-Chat costs $0.30 per million input tokens and $1.20 per million output tokens ($1.50 blended 1M-in + 1M-out). ChatGPT-4o Latest costs $2.50 / $10.00 per million tokens ($12.50 blended). Sources: https://developers.openai.com/api/docs/pricing and https://anotherwrapper.com/tools/llm-pricing. The cheapest LLM for your app still depends on how many output tokens you generate.

    How much does ChatGPT-4o Latest vs LongCat-Flash-Chat cost per million tokens?

    ChatGPT-4o Latest OpenAI API pricing is $2.50 input and $10.00 output per million tokens via OpenAI. LongCat-Flash-Chat Meituan API pricing is $0.30 input and $1.20 output per million tokens via Meituan. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.

    Which is better for coding, ChatGPT-4o Latest or LongCat-Flash-Chat?

    LongCat-Flash-Chat has a published SWE-bench Verified score of 60.4%. ChatGPT-4o Latest does not have that eval on this page yet.

    What is the context window for ChatGPT-4o Latest vs LongCat-Flash-Chat?

    ChatGPT-4o Latest supports a 128K token context window, while LongCat-Flash-Chat 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, ChatGPT-4o Latest or LongCat-Flash-Chat?

    ChatGPT-4o Latest leads on 1 of 1 shared benchmarks versus LongCat-Flash-Chat'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 ChatGPT-4o Latest or LongCat-Flash-Chat better for production use?

    Both ChatGPT-4o Latest and LongCat-Flash-Chat are production API models. For cost-sensitive production traffic, LongCat-Flash-Chat 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 ChatGPT-4o Latest and LongCat-Flash-Chat in my app?

    Yes. Call ChatGPT-4o Latest through OpenAI and LongCat-Flash-Chat through Meituan 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 ChatGPT-4o Latest vs LongCat-Flash-Chat pricing data?

    List rates are the latest published OpenAI API pricing and Meituan API pricing, quoted per million tokens. Official rate sheets: https://developers.openai.com/api/docs/pricing and https://anotherwrapper.com/tools/llm-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 ChatGPT-4o Latest and LongCat-Flash-Chat?

    ChatGPT-4o Latest supports up to 16K output tokens per request, while LongCat-Flash-Chat supports up to 128K 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, ChatGPT-4o Latest or LongCat-Flash-Chat?

    ChatGPT-4o Latest runs at approximately 132 tokens/second while LongCat-Flash-Chat runs at 100 tokens/second. ChatGPT-4o Latest 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 ChatGPT-4o Latest vs LongCat-Flash-Chat comparison?

    Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open ChatGPT-4o Latest or LongCat-Flash-Chat from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.

    ChatGPT-4o Latest vs LongCat-Flash-Chat pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. ChatGPT-4o Latest costs $2.50/M input and $10.00/M output. LongCat-Flash-Chat costs $0.30/M input and $1.20/M output.

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

    The index

    All Large Language Models

    280 models across 33 providers. Search or jump to a lab — every model page stays linked here.

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    1 models

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    1 models

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    1 models

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    1 models

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    1 models

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