DeepSeek-V3.2-Exp vs Step-3.5-Flash

    Comparison

    As of August 20, 2026, Step-3.5-Flash is 26% cheaper per million tokens than DeepSeek-V3.2-Exp. DeepSeek-V3.2-Exp is $0.27 / $0.41 per million input/output tokens versus Step-3.5-Flash at $0.10 / $0.40. Sources: https://api-docs.deepseek.com/quick_start/pricing and https://anotherwrapper.com/tools/llm-pricing

    Sources: DeepSeek API pricing (https://api-docs.deepseek.com/quick_start/pricing); AnotherWrapper LLM pricing (https://anotherwrapper.com/tools/llm-pricing)

    DeepSeek-V3.2-Exp

    DeepSeek

    $0.68blended / 1M

    Input

    $0.27

    Output

    $0.41

    163.8K ctx|Open Source
    26%
    cheaper
    Better value

    Step-3.5-Flash

    StepFun

    $0.50blended / 1M

    Input

    $0.10

    Output

    $0.40

    65.5K ctx|Open Source
    Save $0.18 per million tokens by choosing Step-3.5-Flash over DeepSeek-V3.2-Exp.

    DeepSeek-V3.2-Exp vs Step-3.5-Flash comparison

    Token pricing, specs, and benchmarks side by side

    Metric
    DeepSeek-V3.2-Exp
    Step-3.5-Flash
    Provider
    Provider
    DeepSeek
    StepFun
    License
    Open Source
    Open Source
    Release Date
    2025-09-29
    2026-02-02
    Pricing (per 1M tokens)
    Input Price+170%
    $0.27
    $0.10
    Output Price+2%
    $0.41
    $0.40
    Blended (1M + 1M)
    $0.68
    $0.50
    Model Details
    Context Window
    163.8K
    65.5K
    Max Output Tokens
    65.5K
    8.2K
    Knowledge Cutoff
    N/A
    N/A
    Throughput
    N/A
    150 tok/s
    Benchmarks
    19.8%
    79.9%
    40.1%
    69%
    97.1%
    89.3%
    97.3%
    56.7%
    70.7%
    83.6%
    85%
    88.2%
    Benchmark Wins
    DeepSeek-V3.2-Exp 0|3 Step-3.5-Flash

    Verdict

    DeepSeek-V3.2-Exp vs Step-3.5-Flash: the bottom line

    Step-3.5-Flash offers both lower pricing and stronger benchmark performance across the board, making it the clear value leader in this comparison.

    DeepSeek-V3.2-Exp vs Step-3.5-Flash FAQ

    Which is cheaper, DeepSeek-V3.2-Exp or Step-3.5-Flash?

    As of August 20, 2026, Step-3.5-Flash is 26% 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). DeepSeek-V3.2-Exp costs $0.27 / $0.41 per million tokens ($0.68 blended). Sources: https://api-docs.deepseek.com/quick_start/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 DeepSeek-V3.2-Exp vs Step-3.5-Flash cost per million tokens?

    DeepSeek-V3.2-Exp DeepSeek API pricing is $0.27 input and $0.41 output per million tokens via DeepSeek. 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, DeepSeek-V3.2-Exp or Step-3.5-Flash?

    Step-3.5-Flash leads on SWE-bench Verified: DeepSeek-V3.2-Exp at 67.8% vs Step-3.5-Flash at 74.4%. SWE-bench measures real GitHub fixes; LiveCodeBench measures contest programming.

    What is the context window for DeepSeek-V3.2-Exp vs Step-3.5-Flash?

    DeepSeek-V3.2-Exp supports a 164K token context window, while Step-3.5-Flash supports 66K tokens. DeepSeek-V3.2-Exp 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, DeepSeek-V3.2-Exp or Step-3.5-Flash?

    Step-3.5-Flash leads on 3 of 3 shared benchmarks versus DeepSeek-V3.2-Exp'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 DeepSeek-V3.2-Exp or Step-3.5-Flash better for production use?

    Both DeepSeek-V3.2-Exp 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 DeepSeek-V3.2-Exp and Step-3.5-Flash in my app?

    Yes. Call DeepSeek-V3.2-Exp through DeepSeek 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 DeepSeek-V3.2-Exp vs Step-3.5-Flash pricing data?

    List rates are the latest published DeepSeek API pricing and StepFun API pricing, quoted per million tokens. Official rate sheets: https://api-docs.deepseek.com/quick_start/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 DeepSeek-V3.2-Exp and Step-3.5-Flash?

    DeepSeek-V3.2-Exp supports up to 66K 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, DeepSeek-V3.2-Exp or Step-3.5-Flash?

    Step-3.5-Flash has a measured throughput of approximately 150 tokens/second. Throughput data for DeepSeek-V3.2-Exp 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 DeepSeek-V3.2-Exp 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 DeepSeek-V3.2-Exp 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.

    DeepSeek-V3.2-Exp vs Step-3.5-Flash pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. DeepSeek-V3.2-Exp costs $0.27/M input and $0.41/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

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