Compare / DeepSeek V3 vs Llama 3.3 70B Instruct

DeepSeek V3 vs Llama 3.3 70B Instruct

Which is cheaper, which is more capable, and which does better at each kind of work, from 18 results on 3 sources that measured both models.

DeepSeek V3
DeepSeek · profile
Llama 3.3 70B Instruct
Meta · profile
Results compared
18
Shared sources
3

DeepSeek V3 or Llama 3.3 70B Instruct? The short answer

  • DeepSeek V3 is cheaper: $0.45 against $0.64 per million tokens, 30% less.
  • They score about the same on the Artificial Analysis Intelligence Index (8.5 and 7.7).
  • On our business benchmarks, DeepSeek V3 ranks higher for reasoning and knowledge and writing.
  • On our business benchmarks, Llama 3.3 70B Instruct ranks higher for agents and tool use.

At a glance

DeepSeek V3Llama 3.3 70B Instruct
Price per million tokens$0.26 in · $1.03 out$0.59 in · $0.79 out
Blended (3 in : 1 out)$0.45$0.64
Cheapest host, blended$0.45 (StreamLake)$0.16 (DeepInfra, FP8)
Intelligence Index8.57.7
Spring Prompt overall––
Output speed, tokens a second–80
Context window163,840 tokens131,072 tokens
WeightsOpenOpen
Developer based inChinathe US

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseDeepSeek V3Llama 3.3 70B Instruct
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 136 of 161 127 of 161
Reasoning and knowledgeHard questions across science, maths and general knowledge 168 of 195 174 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 115 of 187 165 of 187
Sticking to the factsSummarising without inventing things, and factual answers 25 of 153 not measured

Every shared result

BenchmarkMetricDeepSeek V3Llama 3.3 70B Instruct
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3501,304
Arena (formerly LMArena)reportedCreative writingArena rating 1,3491,285
Arena (formerly LMArena)reportedExpert promptsArena rating 1,3481,298
Arena (formerly LMArena)reportedInstruction followingArena rating 1,3431,293
Arena (formerly LMArena)reportedOverallArena rating 1,3581,318
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3561,292
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 23.011.9
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 8.507.70
Artificial AnalysisreportedGPQA Diamond% of questions 55.7%49.8%
Artificial AnalysisreportedHumanity's Last Exam% of questions 2.9%3.6%
Artificial AnalysisreportedIFBench% of instructions 34.8%47.1%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 29.3%15.7%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 16.9%4.9%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 6.8%3.0%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 22.8%26.6%
UGI LeaderboardreportedRequested-length error% off the requested word count 17.0%10.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.370.37
UGI LeaderboardreportedWriting scorescore out of 100 43.226.2

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.

Quick answers

Is DeepSeek V3 better than Llama 3.3 70B Instruct?

It depends on the task. Among models available today, on our benchmarks and licensed sources, DeepSeek V3 ranks higher for reasoning and knowledge and writing; Llama 3.3 70B Instruct ranks higher for agents and tool use.

Which is cheaper, DeepSeek V3 or Llama 3.3 70B Instruct?

DeepSeek V3 costs $0.45 per million tokens (three input to one output), against $0.64 for Llama 3.3 70B Instruct.

Run DeepSeek V3 and Llama 3.3 70B Instruct on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.