How much does Anthropic Claude 3.7 Sonnet cost compared to Google Gemini 2.5 Flash per 1M tokens?

Anthropic Claude 3.7 Sonnet bills $3.00/1M input and $15.00/1M output ($0.3/1M cached read), whereas Google Gemini 2.5 Flash bills $0.15/1M input and $0.60/1M output ($0.038/1M cached read). Choosing Google Gemini 2.5 Flash saves 95% ($573.00/month per 100M input + 20M output tokens).

How do Anthropic Claude 3.7 Sonnet and Google Gemini 2.5 Flash perform with Context-Mode sandbox compression in Claude Code or Cursor?

Combining Context-Mode 98% tool-output folding (700KB -> 3.6KB) with Etuki 4-block prefix cache pinning reduces 100-session coding agent spend on Anthropic Claude 3.7 Sonnet from $585 to $51 (-91%), and on Google Gemini 2.5 Flash from $28.65 to $2.52 (-91%).

⚡ VERIFIED HEAD-TO-HEAD FINOPS & LATENCY AUDIT • ★ 4.9/5 (332 Reviews)

Anthropic Claude 3.7 Sonnet vs Google Gemini 2.5 Flash: $3.00 vs $0.15 / 1M Tokens

Switching a 100M input / 20M output monthly workload from Anthropic Claude 3.7 Sonnet to Google Gemini 2.5 Flash saves $573.00/month ($6876.00/year, -95%) on baseline token rates. For streaming responsiveness, Google Gemini 2.5 Flash leads with a 235ms P90 TTFT (165 tok/s).

Contender A • Anthropic

Anthropic Claude 3.7 Sonnet

Standard Input / Output:$3.00 / $15.00

Warm Cache Read / Write:$0.3 / $3.75

Batch API (50% Off):$1.5 / $7.5

Context Window & Cliff:200,000 tokens

P90 TTFT / Throughput:580ms / 78 tok/s

Open Anthropic Claude 3.7 Sonnet 6-Module Audit →

Contender B • Google Vertex / AI Studio

Google Gemini 2.5 Flash

Standard Input / Output:$0.15 / $0.60

Warm Cache Read / Write:$0.038 / $0.15

Batch API (50% Off):$0.075 / $0.3

Context Window & Cliff:1,000,000 tokens

P90 TTFT / Throughput:235ms / 165 tok/s

Open Google Gemini 2.5 Flash 6-Module Audit →

⚡ CONTEXT-MODE SANDBOX (315KB → 5.4KB) × ETUKI CACHE PINNING BENCHMARKOpen Full Context-Mode Calculator →

Coding Agent TCO (100 Sessions): Raw Tool Output (700KB) vs. Context-Mode + Etuki Prefix Cache

Execution Mode (100 Agent Sessions)	Anthropic Claude 3.7 Sonnet	Google Gemini 2.5 Flash	Architectural Mechanism
Mode A: Direct Raw Tool Output (700 KB)	$585.00	$28.65	47 × Read() dumped into context; hits 200K cliff
Mode B: Context-Mode Sandbox Only (3.6 KB)	$112.50	$4.50	SQLite FTS5 & ctx_execute (98% byte drop, unpinned cache)
Mode C: Context-Mode + Etuki 4-Block Cache Lock	$51.00 (-91%)	$2.52 (-91%)	98% tool stdout folding + 90% warm 0.1x prefix cache hit

Monthly Enterprise Workload TCO: Anthropic Claude 3.7 Sonnet vs Google Gemini 2.5 Flash

Workload Scenario	Anthropic Claude 3.7 Sonnet (Cached)	Google Gemini 2.5 Flash (Cached)	Recommended Routing Winner
① Coding Agent (15M In / 3M Out)	$57.60/mo	$2.71/mo	Google Gemini 2.5 Flash
② Enterprise RAG (100M In / 15M Out)	$309.00/mo	$15.04/mo	Google Gemini 2.5 Flash
③ Long-Doc SEC Analysis (250M In / 30M Out)	$660.00/mo	$33.10/mo	Google Gemini 2.5 Flash
④ Async Batch Pipeline (500M In / 80M Out)	$1350.00/mo	$61.50/mo	Google Gemini 2.5 Flash (50% Batch Discount)