Claude Opus 4.7 vs Gemini 3.7 Flash

  • Claude Opus 4.7 and Gemini 3.7 Flash are level on LMArena’s text leaderboard (1490 and 1490).
  • Gemini 3.7 Flash is cheaper: $0.75 / $3.75 per million input / output tokens, against $5 / $25 for Claude Opus 4.7.
  • On the 9 Vals AI benchmarks both have taken, Claude Opus 4.7 wins 5 and Gemini 3.7 Flash wins 4 (Claude Opus 4.7: SWE-bench, Vibe Code Bench, Tax Agent Bench).
LMArena text rating over time
14601470148014901500Apr 26Jun 26Jul 26Sep 26Oct 26
LatestClaude Opus 4.7 1490

Side by side

Models (2/6)
  • Claude Opus 4.7
  • Gemini 3.7 Flash
BenchmarkClaude Opus 4.7Gemini 3.7 Flash
The model
LabAnthropicGoogle
Released2026-04-162026-08-13
WeightsProprietaryProprietary
Context window1M1M
Input, per 1M tokens$5$0.75
Output, per 1M tokens$25$3.75
LMArena, people’s votes
LMArena TextMillions of people compare two anonymous models side by side and vote for the better answer1490#13 of 3511490#14 of 351
LMArena WebDevPeople ask two anonymous models to build the same web app, try both and vote for the better one1558#41 of 1241590#33 of 124
LMArena VisionSide-by-side votes on prompts that include an image1317#5 of 1461314#8 of 146
LMArena CodingLMArena’s text votes on prompts that ask for code1518#9 of 3461501#24 of 346
LMArena MathLMArena’s text votes on math prompts1498#17 of 3391510#10 of 339
LMArena Creative writingLMArena’s text votes on stories, poems and other creative writing1486#11 of 3491489#9 of 349
LMArena Hard promptsLMArena’s text votes on the hardest prompts1506#11 of 3511497#15 of 351
LMArena Instruction followingLMArena’s text votes on prompts with specific instructions to follow1498#9 of 3511486#15 of 351
Vals AI, coding
Terminal-Bench 4.0Frontier-difficulty tasks an agent completes in a real terminal—12.12%#37 of 55
SWE-benchReal GitHub issues from open-source projects82.00%#21 of 8580.80%#22 of 85
Vibe Code BenchBuilding complete web apps from a plain-language brief, graded on whether the app works71.00%#41 of 11570.39%#43 of 115
LiveCodeBenchFresh competitive programming problems, collected after models’ training cut-offs to avoid contamination85.07%#36 of 14388.65%#5 of 143
Vals AI, finance
Tax Agent BenchAgentic research into US corporate tax questions23.74%#43 of 7622.80%#44 of 76
Vals AI, law
Legal Research BenchAgentic US legal research38.46%#35 of 8534.62%#45 of 85
Vals AI, medicine
MedCodeAssigning the right medical billing codes from clinical notes54.86%#7 of 10753.39%#9 of 107
Vals AI, reasoning
GPQA DiamondGraduate-level questions in biology, physics and chemistry that experts answer well and search does not90.15%#26 of 13893.94%#5 of 138
MMLU-ProHarder, reasoning-focused multiple choice across 14 subjects, from law to engineering89.87%#8 of 13890.12%#6 of 138
AIMEProblems from the American Invitational Mathematics Examination, a qualifier for the US Math Olympiad96.25%#7 of 96—
MMMUCollege-level questions that need both an image and text85.55%#24 of 9388.96%#5 of 93
Terminal-Bench ScienceExpert-written scientific research workflows, run by an agent in a terminal—7.14%#20 of 42

Add models in the compare tool.

Questions

Which is better, Claude Opus 4.7 or Gemini 3.7 Flash?

Claude Opus 4.7 and Gemini 3.7 Flash are level on LMArena’s text leaderboard (1490 and 1490). Gemini 3.7 Flash is cheaper: $0.75 / $3.75 per million input / output tokens, against $5 / $25 for Claude Opus 4.7. On the 9 Vals AI benchmarks both have taken, Claude Opus 4.7 wins 5 and Gemini 3.7 Flash wins 4 (Claude Opus 4.7: SWE-bench, Vibe Code Bench, Tax Agent Bench).

Which is cheaper, Claude Opus 4.7 or Gemini 3.7 Flash?

Gemini 3.7 Flash is cheaper: $0.75 / $3.75 per million input / output tokens, against $5 / $25 for Claude Opus 4.7.

Sources

Every number on this page comes from these sources; models without a published number show none. Download the data. Cite as “Nexus Explorer, nexus.inc/models”.