Which is cheaper, QvQ-72B-Preview or Seed 2.1 Pro?
As of August 30, 2026, QvQ-72B-Preview is 55% cheaper on blended LLM API pricing. QvQ-72B-Preview costs $1.20 per million input tokens and $1.20 per million output tokens ($2.40 blended 1M-in + 1M-out). Seed 2.1 Pro costs $0.89 / $4.45 per million tokens ($5.34 blended). Sources: https://www.alibabacloud.com/help/en/model-studio/pricing and https://www.volcengine.com/product/doubao. The cheapest LLM for your app still depends on how many output tokens you generate.
How much does QvQ-72B-Preview vs Seed 2.1 Pro cost per million tokens?
QvQ-72B-Preview Qwen API pricing is $1.20 input and $1.20 output per million tokens via Qwen. Seed 2.1 Pro ByteDance API pricing is $0.89 input and $4.45 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, QvQ-72B-Preview or Seed 2.1 Pro?
Seed 2.1 Pro has a published SWE-bench Pro score of 57.5%. QvQ-72B-Preview does not have that eval on this page yet.
What is the context window for QvQ-72B-Preview vs Seed 2.1 Pro?
QvQ-72B-Preview supports a 33K token context window, while Seed 2.1 Pro supports 262K tokens. Seed 2.1 Pro 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, QvQ-72B-Preview or Seed 2.1 Pro?
Seed 2.1 Pro leads on 2 of 2 shared benchmarks versus QvQ-72B-Preview'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 QvQ-72B-Preview or Seed 2.1 Pro better for production use?
Both QvQ-72B-Preview and Seed 2.1 Pro are production API models. For cost-sensitive production traffic, QvQ-72B-Preview 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 QvQ-72B-Preview and Seed 2.1 Pro in my app?
Yes. Call QvQ-72B-Preview through Qwen and Seed 2.1 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 QvQ-72B-Preview vs Seed 2.1 Pro pricing data?
List rates are the latest published Qwen API pricing and ByteDance API pricing, quoted per million tokens. Official rate sheets: https://www.alibabacloud.com/help/en/model-studio/pricing and https://www.volcengine.com/product/doubao. 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 QvQ-72B-Preview and Seed 2.1 Pro?
QvQ-72B-Preview supports up to an unspecified number of output tokens per request, while Seed 2.1 Pro 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, QvQ-72B-Preview or Seed 2.1 Pro?
Neither QvQ-72B-Preview nor Seed 2.1 Pro 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 QvQ-72B-Preview vs Seed 2.1 Pro comparison?
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open QvQ-72B-Preview or Seed 2.1 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.
