Seed 2.1 Turbo vs Step3-VL-10B

    Comparison

    As of August 30, 2026, Step3-VL-10B is 87% cheaper per million tokens than Seed 2.1 Turbo. Seed 2.1 Turbo is $0.50 / $2.50 per million input/output tokens versus Step3-VL-10B at $0.10 / $0.30. Sources: https://www.volcengine.com/product/doubao and https://openrouter.ai/stepfun/step-3.5-flash

    Sources: ByteDance pricing (https://www.volcengine.com/product/doubao); OpenRouter pricing (https://openrouter.ai/stepfun/step-3.5-flash)

    Seed 2.1 Turbo

    ByteDance

    $3.00blended / 1M

    Input

    $0.50

    Output

    $2.50

    262.1K ctx|Proprietary
    87%
    cheaper
    Better value

    Step3-VL-10B

    StepFun

    $0.40blended / 1M

    Input

    $0.10

    Output

    $0.30

    32.8K ctx|Open Source
    Save $2.60 per million tokens by choosing Step3-VL-10B over Seed 2.1 Turbo.

    Seed 2.1 Turbo vs Step3-VL-10B 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.

    Seed 2.1 TurboStep3-VL-10B

    Score vs price

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

    Best score at each priceSeed 2.1 TurboStep3-VL-10B
    Metric
    Seed 2.1 Turbo
    Step3-VL-10B
    Provider
    Provider
    ByteDance
    StepFun
    License
    Proprietary
    Open Source
    Release Date
    2026-06-24
    2026-01-15
    Pricing (per 1M tokens)
    Input Price+400%
    $0.50
    $0.10
    Output Price+733%
    $2.50
    $0.30
    Blended (1M + 1M)
    $3.00
    $0.40
    Model Details
    Context Window
    262.1K
    32.8K
    Max Output Tokens
    N/A
    N/A
    Knowledge Cutoff
    N/A
    N/A
    Throughput
    N/A
    N/A
    Benchmarks
    54.6%
    23%
    57.8%
    84.9%
    76.4%
    49.1%
    80.3%
    82.2%
    83.6%
    82.7%
    87.7%
    78.1%
    67.9%
    29.2%
    61.3%
    62.9%
    79.4%
    70.9%
    94.6%
    61.1%
    34.5%
    63.2%
    67%
    83.1%
    68.1%
    78.4%
    71.3%
    50.8%
    25.9%
    46.6%
    76.8%
    89.2%
    92.7%
    70.8%
    90.5%
    84%
    58.9%
    65.9%
    91.8%
    31.4%
    74.8%
    42%
    43.7%
    62.8%
    71.1%
    69.7%
    79.2%
    48.3%
    86.3%
    46.7%
    71.1%
    56.6%
    67.4%
    30.6%
    56.8%
    71.1%
    77.2%
    89%
    67.6%
    43.9%
    52.9%
    73.6%
    63.7%
    48.6%
    56.4%
    11%
    Benchmark Wins
    Seed 2.1 Turbo 2|0 Step3-VL-10B

    Verdict

    Seed 2.1 Turbo vs Step3-VL-10B: the bottom line

    Step3-VL-10B offers significantly lower pricing, while Seed 2.1 Turbo leads on benchmark performance. Your choice depends on whether cost efficiency or raw capability matters more for your use case.

    Seed 2.1 Turbo vs Step3-VL-10B FAQ

    Which is cheaper, Seed 2.1 Turbo or Step3-VL-10B?

    As of August 30, 2026, Step3-VL-10B is 87% cheaper on blended LLM API pricing. Step3-VL-10B costs $0.10 per million input tokens and $0.30 per million output tokens ($0.40 blended 1M-in + 1M-out). Seed 2.1 Turbo costs $0.50 / $2.50 per million tokens ($3.00 blended). Sources: https://www.volcengine.com/product/doubao and https://openrouter.ai/stepfun/step-3.5-flash. The cheapest LLM for your app still depends on how many output tokens you generate.

    How much does Seed 2.1 Turbo vs Step3-VL-10B cost per million tokens?

    Seed 2.1 Turbo ByteDance API pricing is $0.50 input and $2.50 output per million tokens via ByteDance. Step3-VL-10B OpenRouter API pricing is $0.10 input and $0.30 output per million tokens via OpenRouter. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.

    Which is better for coding, Seed 2.1 Turbo or Step3-VL-10B?

    Seed 2.1 Turbo has a published SWE-bench Pro score of 57%. Step3-VL-10B does not have that eval on this page yet.

    What is the context window for Seed 2.1 Turbo vs Step3-VL-10B?

    Seed 2.1 Turbo supports a 262K token context window, while Step3-VL-10B supports 33K tokens. Seed 2.1 Turbo 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, Seed 2.1 Turbo or Step3-VL-10B?

    Seed 2.1 Turbo leads on 2 of 2 shared benchmarks versus Step3-VL-10B'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 Seed 2.1 Turbo or Step3-VL-10B better for production use?

    Both Seed 2.1 Turbo and Step3-VL-10B are production API models. For cost-sensitive production traffic, Step3-VL-10B 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 Seed 2.1 Turbo and Step3-VL-10B in my app?

    Yes. Call Seed 2.1 Turbo through ByteDance and Step3-VL-10B through OpenRouter 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 Seed 2.1 Turbo vs Step3-VL-10B pricing data?

    List rates are the latest published ByteDance API pricing and OpenRouter API pricing, quoted per million tokens. Official rate sheets: https://www.volcengine.com/product/doubao and https://openrouter.ai/stepfun/step-3.5-flash. 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 Seed 2.1 Turbo and Step3-VL-10B?

    Seed 2.1 Turbo supports up to an unspecified number of output tokens per request, while Step3-VL-10B supports up to an unspecified number of 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, Seed 2.1 Turbo or Step3-VL-10B?

    Neither Seed 2.1 Turbo nor Step3-VL-10B has published throughput data on this page yet. 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 Seed 2.1 Turbo vs Step3-VL-10B comparison?

    Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Seed 2.1 Turbo or Step3-VL-10B from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.

    Seed 2.1 Turbo vs Step3-VL-10B pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. Seed 2.1 Turbo costs $0.50/M input and $2.50/M output. Step3-VL-10B costs $0.10/M input and $0.30/M output via OpenRouter.

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

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