Compare / Llama 3.3 70B Instruct vs gpt-oss-120b

Llama 3.3 70B Instruct vs gpt-oss-120b

Which is cheaper, which is more capable, and which does better at each kind of work, from 20 results on 3 sources that measured both models.

Llama 3.3 70B Instruct
Meta · profile
gpt-oss-120b
OpenAI · profile
Results compared
20
Shared sources
3

Llama 3.3 70B Instruct or gpt-oss-120b? The short answer

  • gpt-oss-120b is cheaper: $0.26 against $0.64 per million tokens, 2.4 times less.
  • gpt-oss-120b scores higher on the Artificial Analysis Intelligence Index: 11.6 against 7.7.
  • gpt-oss-120b writes faster: 200 tokens a second against 80.
  • On our business benchmarks, gpt-oss-120b ranks higher for agents and tool use, reasoning and knowledge and writing.

At a glance

Llama 3.3 70B Instructgpt-oss-120b
Price per million tokens$0.59 in · $0.79 out$0.15 in · $0.60 out
Blended (3 in : 1 out)$0.64$0.26
Cheapest host, blended$0.16 (DeepInfra, FP8)$0.065 (CoreWeave, FP4)
Intelligence Index7.711.6
Spring Prompt overall––
Output speed, tokens a second80200
Context window131,072 tokens131,072 tokens
WeightsOpenOpen
Developer based inthe USthe 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 caseLlama 3.3 70B Instructgpt-oss-120b
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 127 of 161 117 of 161
Professional workReal tasks from banking, consulting and law, business documents and freelance projects not measured 49 of 51
Reasoning and knowledgeHard questions across science, maths and general knowledge 174 of 195 110 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 165 of 187 131 of 187
Sticking to the factsSummarising without inventing things, and factual answers not measured 138 of 153

Every shared result

BenchmarkMetricLlama 3.3 70B Instructgpt-oss-120b
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3041,351
Arena (formerly LMArena)reportedCreative writingArena rating 1,2851,277
Arena (formerly LMArena)reportedExpert promptsArena rating 1,2981,357
Arena (formerly LMArena)reportedInstruction followingArena rating 1,2931,323
Arena (formerly LMArena)reportedOverallArena rating 1,3181,352
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,2921,309
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 11.930.4
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 7.7011.6
Artificial AnalysisreportedGPQA Diamond% of questions 49.8%78.2%
Artificial AnalysisreportedHumanity's Last Exam% of questions 3.6%19.6%
Artificial AnalysisreportedIFBench% of instructions 47.1%69.0%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 15.7%52.0%
Artificial AnalysisreportedOutput speedtokens per second 80.5200
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 4.9%26.2%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 3.0%23.5%
Artificial AnalysisreportedTime to first answer tokenseconds 0.6410.5
Artificial AnalysisreportedΤ²-bench telecom% of tasks 26.6%65.8%
UGI LeaderboardreportedRequested-length error% off the requested word count 10.0%107.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.370.29
UGI LeaderboardreportedWriting scorescore out of 100 26.238.5

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 Llama 3.3 70B Instruct better than gpt-oss-120b?

It depends on the task. Among models available today, on our benchmarks and licensed sources, gpt-oss-120b ranks higher for agents and tool use, reasoning and knowledge and writing.

Which is cheaper, Llama 3.3 70B Instruct or gpt-oss-120b?

gpt-oss-120b costs $0.26 per million tokens (three input to one output), against $0.64 for Llama 3.3 70B Instruct.

Which is faster, Llama 3.3 70B Instruct or gpt-oss-120b?

gpt-oss-120b writes about 200 tokens a second on its usual API, against 80 for Llama 3.3 70B Instruct (Artificial Analysis).

Run Llama 3.3 70B Instruct and gpt-oss-120b on your own prompt

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