LLM Comparison

Claude Sonnet 4.6 vs Claude Opus 4.6

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

Price vs Intelligence

7365574942$6.30$9.60$12.90$16.20$19.50Avg Price per M tokensIntelligenceClaude Sonnet 4.651.7 / $9.00Claude Opus 4.662.5 / $15.00

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2/6 models
Same tier:
 AnthropicClaude Sonnet 4.6AnthropicClaude Opus 4.6
OrganizationAnthropicAnthropicAnthropicAnthropic
OpenTools Score
52
5.7
63
4.2
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
89.8anthropic
GPQA Diamond
89.9anthropic
91.3anthropic
SWE-bench Verified
72.5anthropic
80.8anthropic
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
30openrouter
48anthropic
GPQA-AA Elo
1674artificial-analysis
1619artificial-analysis
SWE-bench Pro
53.4anthropic
MCP-Atlas
75.8anthropic
BrowseComp
83.7anthropic
OSWorld-Verified
72.7anthropic
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%

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