Claude Sonnet 5vsGemini 3.7 Flash

Claude Sonnet 5
Gemini 3.7 Flash
Specifications
Context window
1M
API pricing
Input price
$2.00$0.75
Output price
$10.00$3.75
Cached input price
$0.20$0.075
Cheapest input
$2.00Amazon Bedrock
Cheapest output
$10.00Amazon Bedrock
Benchmarks
BullshitBench v2
80%35%
Terminal-Bench 4.0
12.42%11.21%
Terminal-Bench 2.1
80.4%85.8%
threejseval
12731526
Benchmarks
Gray Swan IPI · k = 1
0.6%
Gray Swan IPI · k = 10
4.7%
Gray Swan IPI · k = 15
5.9%
ProgramBench
0%
SWE-Bench Pro
63.2%
SWE-Bench Verified
85.2%
DeepSWE 1.1
65.3%
FrontierCode v1.1 (Main) · main split
43.6%
Next.js Evals
81%
Supabase Evals · with skills
91.3%
Supabase Evals · no skills
79.7%
Frontier-Bench v0.1
14.6%
Terminal-Bench 3.0
14.9%
BrowseComp
84.7%
Humanity's Last Exam · no tools
43.2%
Humanity's Last Exam · with tools
57.4%
Humanity's Last Exam (Verified)
53.6%
BioMysteryBench · hard
43.5%
BioMysteryBench · human solved
87.1%
LAB-Bench 2
82.1%
OSWorld 2.0
38.1%
OSWorld-Verified
81.2%
Agent's Last Exam · pass@1
26.3%
AutomationBench
30.4%
Harvey's Legal Agent Benchmark
8.8%
AA Intelligence Index
56
GDPval-AA
1618
GDPval-AA v2
1525
CharXiv Reasoning
84.5%
GDP.PDF
34%
LVBench
85.4%
MRCR v2 (8-needle) · 128k average
97%
MRCR v2 (8-needle) · 1M pointwise
62.5%
Overview
CompanyAnthropicGoogle
Release dateJun 30 2026Aug 13 2026
AccessProprietaryProprietary

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Frequently asked questions

Claude Sonnet 5 and Gemini 3.7 Flash are evenly matched across the 4 benchmarks they both report (BullshitBench v2, Terminal-Bench 4.0, Terminal-Bench 2.1, threejseval). Gemini 3.7 Flash is cheaper on both input and output: $0.75 vs $2.00 per million input tokens, and $3.75 vs $10.00 per million output tokens. Claude Sonnet 5 shipped 44 days before Gemini 3.7 Flash, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On BullshitBench v2, Claude Sonnet 5 leads at 80% vs Gemini 3.7 Flash at 35%. On Terminal-Bench 4.0, Claude Sonnet 5 leads at 12.42% vs Gemini 3.7 Flash at 11.21%. On Terminal-Bench 2.1, Gemini 3.7 Flash leads at 85.8% vs Claude Sonnet 5 at 80.4%. On threejseval, Gemini 3.7 Flash leads at 1526 vs Claude Sonnet 5 at 1273.