Price Per TokenPrice Per Token
Anthropic
Anthropic
vs
Anthropic
Anthropic

Claude Opus 4.6 vs Claude Sonnet 4.6

A detailed comparison of pricing, benchmarks, and capabilities

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114 out of our 298 tracked models have had a price change in February.

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Key Takeaways

Claude Opus 4.6 wins:

  • Faster response time
  • Higher intelligence benchmark
  • Better at coding

Claude Sonnet 4.6 wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Has reasoning mode
  • Supports tool calls
Price Advantage
Claude Sonnet 4.6
Benchmark Advantage
Claude Opus 4.6
Context Window
Claude Sonnet 4.6
Speed
Claude Opus 4.6

Pricing Comparison

Price Comparison

MetricClaude Opus 4.6Claude Sonnet 4.6Winner
Input (per 1M tokens)$5.00$3.00 Claude Sonnet 4.6
Output (per 1M tokens)$25.00$15.00 Claude Sonnet 4.6
Cache Read (per 1M)$500000.00$300000.00 Claude Sonnet 4.6
Cache Write (per 1M)$6250000.00$3750000.00 Claude Sonnet 4.6
Using a 3:1 input/output ratio, Claude Sonnet 4.6 is 40% cheaper overall.

Claude Opus 4.6 Providers

Amazon Bedrock $5.00 (Cheapest)
Google $5.00 (Cheapest)
Anthropic $5.00 (Cheapest)

Claude Sonnet 4.6 Providers

Amazon Bedrock $3.00 (Cheapest)
Google $3.00 (Cheapest)
Anthropic $3.00 (Cheapest)

Benchmark Comparison

3
Benchmarks Compared
3
Claude Opus 4.6 Wins
0
Claude Sonnet 4.6 Wins

Benchmark Scores

BenchmarkClaude Opus 4.6Claude Sonnet 4.6Winner
Intelligence Index
Overall intelligence score
46.444.3
Coding Index
Code generation & understanding
47.646.4
GPQA
Graduate-level science
84.079.9
Claude Opus 4.6 wins 3 out of 3 benchmarks.

Cost vs Quality

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Context & Performance

Context Window

Claude Opus 4.6
1,000,000
tokens
Max output: 128,000 tokens
Claude Sonnet 4.6
1,000,000
tokens
Max output: 128,000 tokens

Speed Performance

MetricClaude Opus 4.6Claude Sonnet 4.6Winner
Tokens/second68.8 tok/s56.3 tok/s
Time to First Token1.69s0.80s
Claude Opus 4.6 responds 22% faster on average.

Capabilities

Feature Comparison

FeatureClaude Opus 4.6Claude Sonnet 4.6
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyClaude Opus 4.6Claude Sonnet 4.6
LicenseProprietaryProprietary
AuthorAnthropicAnthropic
ReleasedFeb 2026Feb 2026

Claude Opus 4.6 Modalities

Input
textimage
Output
text

Claude Sonnet 4.6 Modalities

Input
textimage
Output
text

Related Comparisons

Compare Claude Opus 4.6 with:

Compare Claude Sonnet 4.6 with:

Frequently Asked Questions

Claude Sonnet 4.6 has cheaper input pricing at $3.00/M tokens. Claude Sonnet 4.6 has cheaper output pricing at $15.00/M tokens.
Claude Opus 4.6 scores higher on coding benchmarks with a score of 47.6, compared to Claude Sonnet 4.6's score of 46.4.
Claude Opus 4.6 has a 1,000,000 token context window, while Claude Sonnet 4.6 has a 1,000,000 token context window.
Claude Opus 4.6 supports vision. Claude Sonnet 4.6 supports vision.