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Specifications
ParametersThe learned values that shape how a model responds. B means billion and T means trillion. For mixture-of-experts models, the total count is larger than the number active for each token. Parameter count alone does not measure quality.
671B>1T
Context windowHow much information the model can work with in one request, measured in tokens — pieces of words or other data. This includes your question, attachments, conversation and reply. Limits can vary by model variant and provider.
128k256k
API pricingUSD per 1M tokens · lower wins · base tier
Input priceWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
—$1.20
Output priceWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one.
—$6.00
—$540Qwen list price
These models have no shared benchmark scores.
Overview
CompanyDeepSeekQwen
Release dateDec 25 2024Sep 24 2025
AccessOpen WeightClosed
Model detailsView modelView model

Frequently asked questions

DeepSeek V3 Base and Qwen3-Max don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Only Qwen3-Max has a verified first-party API price: $1.20 per million input tokens and $6.00 per million output tokens. No pay-as-you-go API rate is tracked for DeepSeek V3 Base. DeepSeek V3 Base shipped 273 days before Qwen3-Max, so benchmark comparisons should account for the intervening progress.

DeepSeek V3 Base has 671B parameters, while Qwen3-Max has >1T. Context windows are 128k (DeepSeek V3 Base) vs 256k (Qwen3-Max). DeepSeek V3 Base is open weight, while Qwen3-Max is closed.

Direct benchmark comparisons are unavailable — DeepSeek V3 Base and Qwen3-Max don't publish scores on any of the same benchmarks.