How much does Anthropic Claude 3.5 Haiku cost compared to OpenAI GPT-4.1 per 1M tokens?

Anthropic Claude 3.5 Haiku bills $0.80/1M input and $4.00/1M output ($0.08/1M cached read), whereas OpenAI GPT-4.1 bills $2.00/1M input and $8.00/1M output ($0.5/1M cached read). Choosing Anthropic Claude 3.5 Haiku saves 60% ($200.00/month per 100M input + 20M output tokens).

How do Anthropic Claude 3.5 Haiku and OpenAI GPT-4.1 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 3.5 Haiku from $156 to $13.6 (-91%), and on OpenAI GPT-4.1 from $382 to $33.5 (-91%).

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Anthropic Claude 3.5 Haiku vs OpenAI GPT-4.1: $0.80 vs $2.00 / 1M Tokens

Switching a 100M input / 20M output monthly workload from OpenAI GPT-4.1 to Anthropic Claude 3.5 Haiku saves $200.00/month ($2400.00/year, -60%) on baseline token rates. For streaming responsiveness, Anthropic Claude 3.5 Haiku leads with a 285ms P90 TTFT (132 tok/s).

Contender A • Anthropic

Anthropic Claude 3.5 Haiku

Standard Input / Output:$0.80 / $4.00

Warm Cache Read / Write:$0.08 / $1

Batch API (50% Off):$0.4 / $2

Context Window & Cliff:200,000 tokens

P90 TTFT / Throughput:285ms / 132 tok/s

Open Anthropic Claude 3.5 Haiku 6-Module Audit →

Contender B • OpenAI

OpenAI GPT-4.1

Standard Input / Output:$2.00 / $8.00

Warm Cache Read / Write:$0.5 / $2

Batch API (50% Off):$1 / $4

Context Window & Cliff:1,000,000 tokens

P90 TTFT / Throughput:410ms / 98 tok/s

Open OpenAI GPT-4.1 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 3.5 Haiku	OpenAI GPT-4.1	Architectural Mechanism
Mode A: Direct Raw Tool Output (700 KB)	$156.00	$382.00	47 × Read() dumped into context; hits 200K cliff
Mode B: Context-Mode Sandbox Only (3.6 KB)	$30.00	$60.00	SQLite FTS5 & ctx_execute (98% byte drop, unpinned cache)
Mode C: Context-Mode + Etuki 4-Block Cache Lock	$13.60 (-91%)	$33.50 (-91%)	98% tool stdout folding + 90% warm 0.1x prefix cache hit

Monthly Enterprise Workload TCO: Anthropic Claude 3.5 Haiku vs OpenAI GPT-4.1

Workload Scenario	Anthropic Claude 3.5 Haiku (Cached)	OpenAI GPT-4.1 (Cached)	Recommended Routing Winner
① Coding Agent (15M In / 3M Out)	$15.36/mo	$36.00/mo	Anthropic Claude 3.5 Haiku
② Enterprise RAG (100M In / 15M Out)	$82.40/mo	$200.00/mo	Anthropic Claude 3.5 Haiku
③ Long-Doc SEC Analysis (250M In / 30M Out)	$176.00/mo	$440.00/mo	Anthropic Claude 3.5 Haiku
④ Async Batch Pipeline (500M In / 80M Out)	$360.00/mo	$820.00/mo	Anthropic Claude 3.5 Haiku (50% Batch Discount)