Comparisons

DeepSeek R1 0528 NVFP4 vs Claude Sonnet 5

On provider list prices, DeepSeek R1 0528 NVFP4 costs $3 per million input tokens against $3 for Claude Sonnet 5: effectively level. Output is $7 against $15 (2.1x). On Allocate both bill at list plus the 7% transaction fee.

DeepSeek R1 0528 NVFP4 Claude Sonnet 5
LabDeepseekAnthropic
AccessOpen weightsAPI only
Context window160K tokens1M tokens
List price, input$3 / M tokens$3 / M tokens
List price, output$7 / M tokens$15 / M tokens
Cached inputn/an/a
LicenseMITProprietary API
Fine-tunableYesNo

Specifications and provider list prices from the Allocate catalog, checked 2026-07-08. Billed price is list plus the 7% transaction fee.

What the numbers say

Take 1,000,000 requests a month at 1,200 input and 350 output tokens each. That workload costs $6,050 a month on DeepSeek R1 0528 NVFP4 and $8,850 on Claude Sonnet 5 at list: a gap of $2,800, or 1.5x.

Claude Sonnet 5 reads 1M tokens per request against 160K for DeepSeek R1 0528 NVFP4, 6.1x the window. That decides which one can take whole documents without splitting them.

DeepSeek R1 0528 NVFP4$3$7
Claude Sonnet 5$3$15
InputOutput

Choose DeepSeek R1 0528 NVFP4 for

  • Open weights you can fine-tune and own
  • Fine-tuning under a permissive license (MIT)
DeepSeek R1 0528 NVFP4 details

Choose Claude Sonnet 5 for

  • Judgment calls with policy context
  • Customer-facing writing
  • Review and escalation flows
Claude Sonnet 5 details

Common questions

Which is cheaper, DeepSeek R1 0528 NVFP4 or Claude Sonnet 5?

DeepSeek R1 0528 NVFP4, on this workload shape. At list prices it is $3/$7 per million tokens in and out against $3/$15 for Claude Sonnet 5. Billed on Allocate: $3.21/$7.49 against $3.21/$16.05, list plus 7%.

Which has the bigger context window?

Claude Sonnet 5: 1,000,000 tokens (1M) against 163,840 (160K) for DeepSeek R1 0528 NVFP4.

Can I fine-tune DeepSeek R1 0528 NVFP4 or Claude Sonnet 5?

DeepSeek R1 0528 NVFP4 publishes open weights (MIT) and can be fine-tuned on your own data. Claude Sonnet 5 is a closed model served over API; its weights are not available.

Related comparisons

Run the numbers on your workload

Or don’t choose. On Allocate a route name is the contract: point yours at one model today, swap to the other tomorrow, and compare them on your live traffic with per-token metering.