LLM·Dex
Rank · #5 of 8Open weightsOpen-Source LLMs

DeepSeek-R1 for open-source llms

DeepSeek-R1 is ranked #5 on LLMDex's open-source llms ranking out of 8 models we track for this use case. Below, the specific reasons it slots where it does, and when you should reach for an alternative.

Updated


At a glance

Rank
#5 of 8
Context
128K tokens
Output / 1M
$2.19 / 1M tokens
Released
Jan 2025

Why DeepSeek-R1 fits this task

Three things about DeepSeek-R1 that map directly onto what this task rewards: MIT license. Beyond the task-specific fit, DeepSeek-R1 also brings open-weight reasoning model on par with o1 and cheap reasoning per token, both of which compound when the workload broadens.

The criteria this task rewards

LLMDex ranks best open-source llms on 5 criteria , these are the axes the ranking uses, in priority order:

  • Composite benchmark performance
  • License permissiveness (Apache, MIT, custom OSS)
  • Inference economics on commodity GPUs
  • Fine-tuning ecosystem maturity
  • Multilingual coverage

How DeepSeek-R1 scores on each axis

Where DeepSeek-R1 costs you: slow, reasoning is slow by design. For most teams this is acceptable on this workload, the value of the strengths above outweighs the cost. For cost-bound workloads or teams with strict latency budgets, run an eval against the next two ranked models on real data before committing.

Strengths that pay off here

  • Open-weight reasoning model on par with o1
  • MIT license
  • Cheap reasoning per token

Tracked weaknesses

  • Slow, reasoning is slow by design
  • No vision

When to pick something else

If you can pay slightly more or accept slightly different tradeoffs, Llama 4 70B from Meta ranks one position higher and tends to win on the hardest cases. Meta's mid-tier Llama 4, the practical workhorse for self-hosted deployments.

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Other models for open-source llms

DeepSeek-R1 for other use cases

Direct comparisons

Frequently asked

  • Is DeepSeek-R1 good for open-source llms?
    DeepSeek-R1 is ranked #5 on LLMDex's open-source llms list. First open-weight reasoning model to match o1, the release that proved RL-from-scratch reasoning training was reproducible.
  • How much does DeepSeek-R1 cost for open-source llms?
    DeepSeek-R1 costs $0.55 / 1M tokens for input tokens and $2.19 / 1M tokens for output tokens. For open-source llms workloads, output costs typically dominate; budget on the higher number.
  • What's a cheaper alternative to DeepSeek-R1 for open-source llms?
    The next ranked model on this task is Mixtral 8×22B. Compare both before committing.
  • When should I NOT use DeepSeek-R1 for open-source llms?
    Tracked weakness: Slow, reasoning is slow by design. If that constraint is binding for your workload, the next-ranked model on this task is the safer pick.
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