LLM Comparison

Claude Sonnet 4.6 vs Claude Opus 4.6

Side-by-side specs, pricing & capabilities · Updated April 2026

Price vs Intelligence

7566564737$6.30$9.60$12.90$16.20$19.50Avg Price per M tokensIntelligenceClaude Sonnet 4.647.1 / $9.00Claude Opus 4.665 / $15.00

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2/6 models
Same tier:
 AnthropicClaude Sonnet 4.6AnthropicClaude Opus 4.6
OrganizationAnthropicAnthropicAnthropicAnthropic
OpenTools Score
47
5.2
65
4.3
FamilyClaudeClaude
StatusCurrentCurrent
Release DateFeb 2026Feb 2026
Context Window1.0M tokens1.0M tokens
Input Price$3.00/M tokens$5.00/M tokens
Output Price$15.00/M tokens$25.00/M tokens
Pricing NotesCache read: $0.3000/M tokensCache read: $0.5000/M tokens
Capabilities
textvisioncodetool-use
textvisioncodetool-use
Max Output128K tokens128K tokens
API Identifieranthropic/claude-sonnet-4.6anthropic/claude-opus-4.6
Benchmarks
MMLU
86.7anthropic
83.3anthropic
GPQA Diamond
42.7anthropic
40anthropic
SWE-bench Verified
37.2anthropic
62anthropic
Terminal-Bench 2.0
51anthropic
65.4anthropic
MATH 500
54.2anthropic
80.7anthropic
LiveCodeBench
41.5anthropic
55.9anthropic
Berkeley Function Calling
88.3anthropic
91.9anthropic
HLE
27.5anthropic
48anthropic
GPQA-AA Elo
144.6anthropic
163.5anthropic
DocVQA—
91.3anthropic
 View Claude Sonnet 4.6View Claude Opus 4.6

Cost Calculator

Enter your expected monthly token usage to compare costs.

ModelInputOutputTotal / movs Best
Claude Sonnet 4.6Cheapest$3.00$7.50$10.50—
Claude Opus 4.6$5.00$12.50$17.50+67%

Anthropic

Claude Sonnet 4.6

Claude Sonnet 4.6 is a multimodal llm from Anthropic. Supports up to 1,000,000 token context window. Achieves 88.0% on MMLU. Available from $3.00/M input tokens.

Anthropic

Claude Opus 4.6

Claude Opus 4.6 is a multimodal llm from Anthropic. Supports up to 1,000,000 token context window. Achieves 89.8% on MMLU. Available from $5.00/M input tokens.

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