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Agent Month

DeepSeek-V3

Open-weight

Open-weight model with aggressive pricing. Off-peak discounts may apply — confirm with the provider.

Input / 1M
$0.27
Output / 1M
$1.10
Context
128K tokens
Provider
DeepSeek

Pricing verified June 2026. Prices change frequently. Always confirm against the provider’s official pricing page before relying on these figures for budgeting. Official pricing →

What DeepSeek-V3 is best for

Very low-cost general work where an open-weight model meets your quality bar.

Use it for cost-sensitive or data-sensitive workloads where an open-weight model clears your quality bar, including self-hosting. Avoid it for work that needs top-tier frontier quality, unless you’ve validated the model holds up with evals.

DeepSeek-V3 cost by volume

Estimated monthly cost at three realistic volumes, at $0.27 input / $1.10 output per million tokens.

ScenarioInput / moOutput / moEst. cost / mo
Prototype2M0.5M$1
Growing product50M10M$25
At scale500M100M$245

Plug in your own numbers with the cost calculator.

How to cut your DeepSeek-V3 bill

The headline price isn’t the lever — your usage pattern is. The biggest reductions come from how you route and structure requests, not from switching models alone:

  • Route low-stakes calls to a cheaper tier and keep DeepSeek-V3 on the routes where its strengths matter.
  • Cache large stable prompt prefixes so repeated context bills at a fraction of the price.
  • Batch non-urgent work, and trim oversized context by retrieving instead of stuffing.
  • Add fallback chains so a timeout doesn’t trigger an expensive retry.

Do it behind evals so quality holds — that combination is how teams cut 30–60% without regressions.

Context window: 128K tokens

DeepSeek-V3’s context window bounds how much it can consider at once — system prompt, history, retrieved docs, and the response all draw from those 128K tokens. A larger window enables whole-codebase reasoning and long documents, but using more of it costs more per request — so retrieval and caching still matter even when the window is large.

Cheaper alternatives to DeepSeek-V3

By blended cost (3:1 input:output). The right swap depends on whether quality holds on your routes — always validate with evals.

Frequently asked questions

How much does DeepSeek-V3 cost?

DeepSeek-V3 costs $0.27 per million input tokens and $1.10 per million output tokens. A workload of 50M input and 10M output tokens per month would cost about $24.5. Confirm current pricing with the provider.

What is DeepSeek-V3's context window?

DeepSeek-V3 has a 128K-token context window. Open-weight model with aggressive pricing. Off-peak discounts may apply — confirm with the provider.

Is DeepSeek-V3 the right model for my workload?

Very low-cost general work where an open-weight model meets your quality bar. The cheapest correct model is workload-specific — route low-stakes calls to a cheaper tier and reserve DeepSeek-V3 for work where its strengths matter, validated by evals.