Anthropic: Claude Sonnet 4.5

Anthropic·Released 2025-09-29

1.0M ctx

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Price/1M

$6.00

629th cheapest

1835% above median

Top 96%

Context Window

1.0M

28th largest

Top 11%

Pricing

Input

$3.00

per 1M tokens

Output

$15.00

per 1M tokens

Blended

$6.00

per 1M tokens

Cheaper than 4% of models. Median price is $0.31/1M tokens.

Cost Calculator

Tokens per day1M

100K100M

Daily

$6.00

Monthly

$180.00

vs. Similar Models

Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

$6.000%

Claude Sonnet 4.6 (Non-reasoning, High Effort)

$6.000%

Claude 4.5 Sonnet (Reasoning)

$6.000%

Claude Sonnet 4.6 (Non-reasoning, Low Effort)

$6.000%

Performance

Context Window

1.0M

tokens

Larger than 89% of models

Max Output

64K

tokens

6% of context

Context Window Comparison

Claude Opus 4.6 (Non-reasoning, High Effort)

1.0MSame

Claude Sonnet 4.6 (Non-reasoning, High Effort)

1.0MSame

Amazon: Nova 2 Lite

1.0MSame

Quick Compare

Similar Models

Claude Opus 4.6 (Adaptive Reasoning, Max Effort)

Anthropic

Q: 53.0$10.00/1M

Pricier: 67%

Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

Anthropic

Q: 51.7$6.00/1M

Claude Opus 4.5 (Reasoning)

Anthropic

Q: 49.7$10.00/1M

Pricier: 67%

Claude Opus 4.6 (Non-reasoning, High Effort)

Anthropic

Q: 46.5$10.00/1M1.0M ctx

Pricier: 67%

Claude Sonnet 4.6 (Non-reasoning, High Effort)

Anthropic

Q: 44.4$6.00/1M1.0M ctx

Claude Opus 4.5 (Non-reasoning)

Anthropic

Q: 43.1$10.00/1M200K ctx

Pricier: 67%Context: 5x smaller

Compare all 7 models