Compare / o3 vs GLM 4.7 Flash

o3 vs GLM 4.7 Flash

Which is cheaper, which is more capable, and which does better at each kind of work, from 17 results on 3 sources that measured both models.

o3
OpenAI · profile
GLM 4.7 Flash
Z.ai · profile
Results compared
17
Shared sources
3

o3 or GLM 4.7 Flash? The short answer

  • GLM 4.7 Flash is cheaper: $0.15 against $3.50 per million tokens, 24 times less.
  • o3 scores higher on the Artificial Analysis Intelligence Index: 20.2 against 14.9.
  • On our business benchmarks, o3 ranks higher for reasoning and knowledge, writing and sticking to the facts.

At a glance

o3GLM 4.7 Flash
Price per million tokens$2.00 in · $8.00 out$0.060 in · $0.40 out
Blended (3 in : 1 out)$3.50$0.15
Cheapest host, blended–$0.15 (Venice, FP8)
Intelligence Index20.214.9
Spring Prompt overall––
Output speed, tokens a second126–
Context window200,000 tokens200,000 tokens
WeightsClosedOpen
Developer based inthe USChina

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 caseo3GLM 4.7 Flash
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 13 of 161 not measured
Reasoning and knowledgeHard questions across science, maths and general knowledge 95 of 195 139 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 49 of 187 148 of 187
Sticking to the factsSummarising without inventing things, and factual answers 91 of 153 109 of 153
Speed under pressureGood decisions against a real clock (fast chess) not measured 22 of 22

Every shared result

BenchmarkMetrico3GLM 4.7 Flash
Arena (formerly LMArena)reportedOverallArena rating 1,4051,370
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,4261,368
Arena (formerly LMArena)reportedCreative writingArena rating 1,3831,306
Arena (formerly LMArena)reportedExpert promptsArena rating 1,4491,386
Arena (formerly LMArena)reportedInstruction followingArena rating 1,4031,348
Arena (formerly LMArena)reportedOverallArena rating 1,4321,365
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,3961,331
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 20.214.9
Artificial AnalysisreportedGPQA Diamond% of questions 82.7%58.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 20.1%7.6%
Artificial AnalysisreportedIFBench% of instructions 71.4%60.8%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 74.7%41.7%
Artificial AnalysisreportedTerminal-Bench Hard% of tasks 37.1%22.0%
Artificial AnalysisreportedΤ²-bench telecom% of tasks 80.7%98.8%
UGI LeaderboardreportedRequested-length error% off the requested word count 18.0%39.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.300.37
UGI LeaderboardreportedWriting scorescore out of 100 66.825.0

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 o3 better than GLM 4.7 Flash?

It depends on the task. Among models available today, on our benchmarks and licensed sources, o3 ranks higher for reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, o3 or GLM 4.7 Flash?

GLM 4.7 Flash costs $0.15 per million tokens (three input to one output), against $3.50 for o3.

Run o3 and GLM 4.7 Flash on your own prompt

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