AnthropicVerified Active: October 30, 2026

Claude Sonnet 5API Pricing & Specifications

The flagship standard for software engineering, autonomous coding agents, and complex tool use.

📊 Core Specifications & Pricing Rates

Standard Input
$2.00 / 1M tokens
Standard Output
$10.00 / 1M tokens
Cached Input
$0.1000 / 1M tokens
Cache Write
$2.50 / 1M tokens
Context Window
1M (1,000,000 tokens)
Max Output Tokens
64,000 tokens
Supported Capabilities:✓ Vision✓ Function Calling / Tools✓ JSON Mode✓ Deep Reasoning
📦 Asynchronous Batch API Supported: Official provider documentation offers a 50% discount on non-streaming 24h batch requests.

Live Workload Cost Estimator: Claude Sonnet 5

Adjust token volumes to simulate your exact monthly API bill.

Interactive Simulation
Estimated 60% repeated context
Estimated Total Monthly Cost
$132.25/ month
$0.00529 per API request(Saves $42.75/mo with caching)
Compare All Models in Calculator→

💡 Estimated Monthly Workload Scenarios

AI Software Engineering Agent

$600.00/mo

20,000 repository PR reviews & bug fixes (5,000 input, 1,000 output)

20,000 requests • 5000 in / 1000 out

Cached Enterprise Agent (75% cache hit)

$687.50/mo

50,000 API queries (4,000 input, 600 output)

50,000 requests • 4000 in / 600 out

⚖️ Head-to-Head Competitor Comparisons

Claude Sonnet 5 vs. Gemini 3.8 Flash

Sonnet 5 leads on autonomous code refactoring and tool use, while Gemini 3.8 Flash provides 4x lower cost for high-throughput pipelines.

4x higher input cost than Gemini 3.8 FlashView Gemini 3.8 Flash →

Claude Sonnet 5 vs. GPT-5.6 Sol

Sonnet 5 is 25% cheaper on both input ($3 vs $4) and output ($15 vs $20) with top-tier agentic coding benchmarks.

1.33x cheaper than GPT-5.6 SolView GPT-5.6 Sol →

📜 Historical Price Changes & Updates

2026-10-28
Anthropic reduced Claude Sonnet 5 standard rates by 33% from $3.00/$15.00 to $2.00/$10.00 per 1M tokens to match frontier market pricing.
2026-10-15
Prompt cache read rate reduced by 50% from $0.30 to $0.10 per 1M tokens to reduce agentic multi-turn costs.
2026-08-15
Claude Sonnet 5 launched with 1M context window and enhanced computer use.

🔗 Verified Primary Sources

All pricing, token limits, and capabilities are cross-checked against official provider documentation and live API endpoints.

↗Anthropic API Pricing Page↗Anthropic Prompt Caching Guide