Claude Sonnet 4.5 (batch)

ANTHROPIC Developer Architecture Profile

OpenRouter ↗HuggingFace ↗

Intelligence (ELO)1459Chatbot Arena Verified

Max Context Limit1,000,000Max Out: 64,000 tokens

Prompt Caching90% OFF$0.15 / 1M cached

Standard API / 1M$9.00Blended Standard Rate

Model Capabilities & Contract SLAs

Fictional
Reasoning
Agentic
Coding & Logic
📋 Strict JSON Schema
🛠️ Native Tool Calling

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...

Granular Pricing Matrix

Input Tokens (Standard Prompt)$1.50 / 1M

⚡ Cached Input (Prompt Cache Read)90% OFF$0.15 / 1M

Output Tokens (Completion)$7.50 / 1M

Pricing data via OpenRouter. Sync: 10/2/2026

Evaluate Competitors

VS Engine MatchupClaude Sonnet 4.5 (batch) vs OpenAI: GPT-6 Sol (batch)VS Engine MatchupClaude Sonnet 4.5 (batch) vs Meta: Muse Spark 1.3 VS Engine MatchupClaude Sonnet 4.5 (batch) vs Anthropic: Claude Sonnet 4.6 (batch)VS Engine MatchupClaude Sonnet 4.5 (batch) vs Xiaomi: MiMo-V2.6-Pro-UltraSpeed VS Engine MatchupClaude Sonnet 4.5 (batch) vs OpenAI: GPT Sol Latest VS Engine MatchupClaude Sonnet 4.5 (batch) vs Meta: Muse Spark 1.2