Compare · ModelsLive · 2 picked · head to head
Claude Opus 5.5 vs Gemini 3.7 Flash
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 5.5 wins on 14/15 benchmarks
Claude Opus 5.5 wins 14 of 15 shared benchmarks. Leads in agentic · reasoning · general.
Category leads
agentic·Claude Opus 5.5reasoning·Claude Opus 5.5general·Claude Opus 5.5coding·Claude Opus 5.5math·Claude Opus 5.5knowledge·Gemini 3.7 Flash
Hype vs Reality
Attention vs performance
Claude Opus 5.5
#3 by perf·#6 by attention
Gemini 3.7 Flash
#60 by perf·#8 by attention
Best value
Gemini 3.7 Flash
3.7x better value than Claude Opus 5.5
Claude Opus 5.5
6.9 pts/$
$12.00/M
Gemini 3.7 Flash
25.6 pts/$
$2.25/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
Google DeepMind
$4.20T·Tier 1
Head to head
15 benchmarks · 2 models
Claude Opus 5.5Gemini 3.7 Flash
APEX-Agents
Claude Opus 5.5 leads by +5.7
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
Claude Opus 5.5
73.5
Gemini 3.7 Flash
67.8
ARC-AGI
Claude Opus 5.5 leads by +2.0
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Claude Opus 5.5
97.5
Gemini 3.7 Flash
95.5
ARC-AGI-2
Claude Opus 5.5 leads by +7.9
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
Claude Opus 5.5
92.5
Gemini 3.7 Flash
84.6
Dtbench
Claude Opus 5.5 leads by +3.5
Claude Opus 5.5
98.2
Gemini 3.7 Flash
94.7
Frontiercode
Claude Opus 5.5 leads by +11.0
Claude Opus 5.5
54.6
Gemini 3.7 Flash
43.6
FrontierMath-Tier-4-v2-Private
Claude Opus 5.5 leads by +58.4
Claude Opus 5.5
95.0
Gemini 3.7 Flash
36.6
FrontierMath-Tiers-1-3-v2-Private
Claude Opus 5.5 leads by +19.7
Claude Opus 5.5
91.2
Gemini 3.7 Flash
71.6
Frontierswe
Claude Opus 5.5 leads by +42.1
Claude Opus 5.5
62.3
Gemini 3.7 Flash
20.3
Furniture Assembly
Claude Opus 5.5 leads by +76.2
Claude Opus 5.5
76.2
Gemini 3.7 Flash
0.0
GPQA diamond
Gemini 3.7 Flash leads by +5.6
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Opus 5.5
87.5
Gemini 3.7 Flash
93.1
Lmca
Claude Opus 5.5 leads by +21.0
Claude Opus 5.5
80.3
Gemini 3.7 Flash
59.3
Mystery Game Puzzles
Claude Opus 5.5 leads by +37.4
Claude Opus 5.5
68.0
Gemini 3.7 Flash
30.6
OTIS Mock AIME 2024-2025
Claude Opus 5.5 leads by +2.8
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Opus 5.5
100.0
Gemini 3.7 Flash
97.2
Proofbench
Claude Opus 5.5 leads by +42.0
Claude Opus 5.5
100.0
Gemini 3.7 Flash
58.0
SimpleQA Verified
Claude Opus 5.5 leads by +3.0
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Opus 5.5
72.2
Gemini 3.7 Flash
69.2
Full benchmark table
| Benchmark | Claude Opus 5.5 | Gemini 3.7 Flash |
|---|---|---|
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 73.5 | 67.8 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 97.5 | 95.5 |
ARC-AGI-2 ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data. | 92.5 | 84.6 |
Dtbench | 98.2 | 94.7 |
Frontiercode | 54.6 | 43.6 |
FrontierMath-Tier-4-v2-Private | 95.0 | 36.6 |
FrontierMath-Tiers-1-3-v2-Private | 91.2 | 71.6 |
Frontierswe | 62.3 | 20.3 |
Furniture Assembly | 76.2 | 0.0 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 87.5 | 93.1 |
Lmca | 80.3 | 59.3 |
Mystery Game Puzzles | 68.0 | 30.6 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 100.0 | 97.2 |
Proofbench | 100.0 | 58.0 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 72.2 | 69.2 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $4.00 | $20.00 | 1.0M tokens (~500 books) | $80.00 | |
| $0.75 | $3.75 | 1.0M tokens (~524 books) | $15.00 |
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