Claude Model Comparison 2026

Opus 4 · Sonnet 4 · Haiku 3.5 — interactive benchmarks & cost calculator
Opus 4 most capable
Input / MTok$15.00
Output / MTok$75.00
38 tok/s 📐 200K ctx 👁️ Vision 🔧 Tool use 📎 4096 out
Best for: complex reasoning, research, code generation, analysis
Sonnet 4 balanced
Input / MTok$3.00
Output / MTok$15.00
62 tok/s 📐 200K ctx 👁️ Vision 🔧 Tool use 📎 8192 out
Best for: everyday tasks, content writing, customer support, analysis
Haiku 3.5 fastest
Input / MTok$0.25
Output / MTok$1.25
108 tok/s 📐 200K ctx 👁️ 🔧 Tool use 📎 4096 out
Best for: high‑volume, simple tasks, classification, extraction

⚡ Latency benchmarks (tokens/sec)

Opus 4

38 tok/s
heavy reasoning

Sonnet 4

62 tok/s
balanced

Haiku 3.5

108 tok/s
lightning fast

⭐ Quality ratings per task (1–5)

💻 Coding
Opus ★★★★★   Sonnet ★★★★☆   Haiku ★★★☆☆
✍️ Writing
Opus ★★★★★   Sonnet ★★★★☆   Haiku ★★★☆☆
📊 Analysis
Opus ★★★★★   Sonnet ★★★★☆   Haiku ★★★★☆
🎨 Creative
Opus ★★★★★   Sonnet ★★★★☆   Haiku ★★★☆☆
📊 Monthly cost calculator interactive
10020008000
30 days/month, input/output split 60/40
ModelMonthly costCost / 1K req
Opus 4
Sonnet 4
Haiku 3.5

* Based on input $15/$3/$0.25 and output $75/$15/$1.25 per MTok.

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