Hy3 vs Step-3.5-Flash

    Comparison

    As of August 20, 2026, Step-3.5-Flash is 24% cheaper per million tokens than Hy3. Hy3 is $0.13 / $0.53 per million input/output tokens versus Step-3.5-Flash at $0.10 / $0.40. Sources: https://www.tencentcloud.com/document/product/1300/78937 and https://anotherwrapper.com/tools/llm-pricing

    Sources: Tencent pricing (https://www.tencentcloud.com/document/product/1300/78937); AnotherWrapper LLM pricing (https://anotherwrapper.com/tools/llm-pricing)

    Hy3

    Tencent

    $0.66blended / 1M

    Input

    $0.13

    Output

    $0.53

    262.1K ctx|Open Source
    24%
    cheaper
    Better value

    Step-3.5-Flash

    StepFun

    $0.50blended / 1M

    Input

    $0.10

    Output

    $0.40

    65.5K ctx|Open Source
    Save $0.16 per million tokens by choosing Step-3.5-Flash over Hy3.

    Hy3 vs Step-3.5-Flash comparison

    Token pricing, specs, and benchmarks side by side

    Metric
    Hy3
    Step-3.5-Flash
    Provider
    Provider
    Tencent
    StepFun
    License
    Open Source
    Open Source
    Release Date
    2026-07-06
    2026-02-02
    Pricing (per 1M tokens)
    Input Price+32%
    $0.13
    $0.10
    Output Price+32%
    $0.53
    $0.40
    Blended (1M + 1M)
    $0.66
    $0.50
    Model Details
    Context Window
    262.1K
    65.5K
    Max Output Tokens
    N/A
    8.2K
    Knowledge Cutoff
    N/A
    N/A
    Throughput
    N/A
    150 tok/s
    Benchmark Wins
    Hy3 3|0 Step-3.5-Flash

    Verdict

    Hy3 vs Step-3.5-Flash: the bottom line

    Step-3.5-Flash offers significantly lower pricing, while Hy3 leads on benchmark performance. Your choice depends on whether cost efficiency or raw capability matters more for your use case.

    Hy3 vs Step-3.5-Flash FAQ

    Which is cheaper, Hy3 or Step-3.5-Flash?

    As of August 20, 2026, Step-3.5-Flash is 24% cheaper on blended LLM API pricing. Step-3.5-Flash costs $0.10 per million input tokens and $0.40 per million output tokens ($0.50 blended 1M-in + 1M-out). Hy3 costs $0.13 / $0.53 per million tokens ($0.66 blended). Sources: https://www.tencentcloud.com/document/product/1300/78937 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 Hy3 vs Step-3.5-Flash cost per million tokens?

    Hy3 Tencent API pricing is $0.13 input and $0.53 output per million tokens via Tencent. Step-3.5-Flash StepFun API pricing is $0.10 input and $0.40 output per million tokens via StepFun. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.

    Which is better for coding, Hy3 or Step-3.5-Flash?

    Hy3 leads on SWE-bench Verified: Hy3 at 78% vs Step-3.5-Flash at 74.4%. SWE-bench measures real GitHub fixes; LiveCodeBench measures contest programming.

    What is the context window for Hy3 vs Step-3.5-Flash?

    Hy3 supports a 262K token context window, while Step-3.5-Flash supports 66K tokens. Hy3 offers a larger context window. 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, Hy3 or Step-3.5-Flash?

    Hy3 leads on 3 of 3 shared benchmarks versus Step-3.5-Flash'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 Hy3 or Step-3.5-Flash better for production use?

    Both Hy3 and Step-3.5-Flash are production API models. For cost-sensitive production traffic, Step-3.5-Flash 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 Hy3 and Step-3.5-Flash in my app?

    Yes. Call Hy3 through Tencent and Step-3.5-Flash through StepFun 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 Hy3 vs Step-3.5-Flash pricing data?

    List rates are the latest published Tencent API pricing and StepFun API pricing, quoted per million tokens. Official rate sheets: https://www.tencentcloud.com/document/product/1300/78937 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 Hy3 and Step-3.5-Flash?

    Hy3 supports up to an unspecified number of output tokens per request, while Step-3.5-Flash supports up to 8K 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, Hy3 or Step-3.5-Flash?

    Step-3.5-Flash has a measured throughput of approximately 150 tokens/second. Throughput data for Hy3 is not yet available. 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 Hy3 vs Step-3.5-Flash comparison?

    Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Hy3 or Step-3.5-Flash from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.

    Hy3 vs Step-3.5-Flash pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. Hy3 costs $0.13/M input and $0.53/M output. Step-3.5-Flash costs $0.10/M input and $0.40/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.

    Baidu

    1 models

    Inception

    1 models

    inclusionAI

    1 models

    LG AI Research

    1 models

    Nous Research

    1 models

    Sakana AI

    1 models

    StepFun

    0 models

    Tencent

    0 models

    Thinking Machines

    1 models

    Unisound

    1 models

    Upstage

    1 models

    Next step

    You found the model. Now ship the product.

    Auth, billing, and the API layer are already decided. Fork 8 finished AI apps, or have us build the first version with you.