Claude Sonnet 4.6 vs Seed 2.0 Pro

    Comparison

    As of August 20, 2026, Seed 2.0 Pro is 81% cheaper per million tokens than Claude Sonnet 4.6. Claude Sonnet 4.6 is $3.00 / $15.00 per million input/output tokens versus Seed 2.0 Pro at $0.50 / $3.00. Sources: https://platform.claude.com/docs/en/about-claude/pricing and https://anotherwrapper.com/tools/llm-pricing

    Sources: Anthropic Claude API pricing (https://platform.claude.com/docs/en/about-claude/pricing); AnotherWrapper LLM pricing (https://anotherwrapper.com/tools/llm-pricing)

    Claude Sonnet 4.6

    Anthropic

    $18.00blended / 1M

    Input

    $3.00

    Output

    $15.00

    1M ctx|Proprietary
    81%
    cheaper
    Better value

    Seed 2.0 Pro

    ByteDance

    $3.50blended / 1M

    Input

    $0.50

    Output

    $3.00

    256K ctx|Proprietary
    Save $14.50 per million tokens by choosing Seed 2.0 Pro over Claude Sonnet 4.6.

    Claude Sonnet 4.6 vs Seed 2.0 Pro comparison

    Token pricing, specs, and benchmarks side by side

    Metric
    Claude Sonnet 4.6
    Seed 2.0 Pro
    Provider
    Provider
    Anthropic
    ByteDance
    License
    Proprietary
    Proprietary
    Release Date
    2026-02-17
    2026-02-14
    Pricing (per 1M tokens)
    Input Price+500%
    $3.00
    $0.50
    Output Price+400%
    $15.00
    $3.00
    Blended (1M + 1M)
    $18.00
    $3.50
    Model Details
    Context Window
    1M
    256K
    Max Output Tokens
    64K
    65.5K
    Knowledge Cutoff
    2026-01
    2024-01-01
    Throughput
    42 tok/s
    5.593776158213053 tok/s
    Benchmarks
    46.8%
    89.9%
    88.9%
    78.8%
    31.8%
    29.9%
    46.8%
    74.7%
    77.3%
    29%
    58.3%
    78.5%
    61.3%
    75.6%
    89.3%
    32.4%
    71.1%
    98.3%
    89.3%
    60.4%
    94.2%
    23.7%
    65.3%
    3.1%
    60.1%
    18%
    75.5%
    92.1%
    87.3%
    46.6%
    49.0%
    77.1%
    Benchmark Wins
    Claude Sonnet 4.6 2|2 Seed 2.0 Pro

    Verdict

    Claude Sonnet 4.6 vs Seed 2.0 Pro: the bottom line

    Both models are closely matched on benchmarks. Seed 2.0 Pro has the pricing advantage, making it the better value unless Claude Sonnet 4.6's specific capabilities are critical to your workflow.

    Claude Sonnet 4.6 vs Seed 2.0 Pro FAQ

    Which is cheaper, Claude Sonnet 4.6 or Seed 2.0 Pro?

    As of August 20, 2026, Seed 2.0 Pro is 81% cheaper on blended LLM API pricing. Seed 2.0 Pro costs $0.50 per million input tokens and $3.00 per million output tokens ($3.50 blended 1M-in + 1M-out). Claude Sonnet 4.6 costs $3.00 / $15.00 per million tokens ($18.00 blended). Sources: https://platform.claude.com/docs/en/about-claude/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 Claude Sonnet 4.6 vs Seed 2.0 Pro cost per million tokens?

    Claude Sonnet 4.6 Claude API pricing from Anthropic is $3.00 input and $15.00 output per million tokens via Anthropic. Seed 2.0 Pro ByteDance API pricing is $0.50 input and $3.00 output per million tokens via ByteDance. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.

    Which is better for coding, Claude Sonnet 4.6 or Seed 2.0 Pro?

    Claude Sonnet 4.6 leads on SWE-bench Verified: Claude Sonnet 4.6 at 79.6% vs Seed 2.0 Pro at 76.5%. SWE-bench measures real GitHub fixes; LiveCodeBench measures contest programming.

    What is the context window for Claude Sonnet 4.6 vs Seed 2.0 Pro?

    Claude Sonnet 4.6 supports a 1M token context window, while Seed 2.0 Pro supports 256K tokens. Claude Sonnet 4.6 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, Claude Sonnet 4.6 or Seed 2.0 Pro?

    Claude Sonnet 4.6 and Seed 2.0 Pro are tied across 4 shared benchmarks. Check the table for category-level strengths. 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 Claude Sonnet 4.6 or Seed 2.0 Pro better for production use?

    Both Claude Sonnet 4.6 and Seed 2.0 Pro are production API models. For cost-sensitive production traffic, Seed 2.0 Pro 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 Claude Sonnet 4.6 and Seed 2.0 Pro in my app?

    Yes. Call Claude Sonnet 4.6 through Anthropic and Seed 2.0 Pro through ByteDance 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 Claude Sonnet 4.6 vs Seed 2.0 Pro pricing data?

    List rates are the latest published Claude API pricing from Anthropic and ByteDance API pricing, quoted per million tokens. Official rate sheets: https://platform.claude.com/docs/en/about-claude/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 Claude Sonnet 4.6 and Seed 2.0 Pro?

    Claude Sonnet 4.6 supports up to 64K output tokens per request, while Seed 2.0 Pro supports up to 66K 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, Claude Sonnet 4.6 or Seed 2.0 Pro?

    Claude Sonnet 4.6 runs at approximately 42 tokens/second while Seed 2.0 Pro runs at 5.593776158213053 tokens/second. Claude Sonnet 4.6 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 Claude Sonnet 4.6 vs Seed 2.0 Pro comparison?

    Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Claude Sonnet 4.6 or Seed 2.0 Pro from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.

    Claude Sonnet 4.6 vs Seed 2.0 Pro pricing

    This comparison covers API pricing, context window, throughput, and benchmark scores. Claude Sonnet 4.6 costs $3.00/M input and $15.00/M output. Seed 2.0 Pro costs $0.50/M input and $3.00/M output.

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

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