Claude Sonnet 5.5 vs Moondream 3 Preview

Price, context window & benchmark comparison

Claude Sonnet 5.5

Anthropic

$2.00 / $10.00

Input / Output · per 1M tokens

Moondream 3 Preview

Moondream

$0.30 / $2.50

Input / Output · per 1M tokens

Compare different models

Verdict: Moondream 3 Preview is 4.7× cheaper than Claude Sonnet 5.5 on a typical 3:1 input/output mix. Claude Sonnet 5.5 has the larger context window (1M vs 32K).

	Claude Sonnet 5.5	Moondream 3 Preview
Input price / 1M	$2.00	$0.30
Output price / 1M	$10.00	$2.50
Blended price (3:1)	$4.00	$0.85
Cached input / 1M	$0.10	—
Context window	1M	32K
Max output	128K	4K
Intelligence index	54.2	—
Coding index	—	—
Providers	10	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	No
Released	2026-09-28	2026-10-15
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Claude Sonnet 5.5 or Moondream 3 Preview?

Moondream 3 Preview is 4.7× cheaper than Claude Sonnet 5.5 on a typical 3:1 input/output mix.

Claude Sonnet 5.5 vs Moondream 3 Preview: which has a bigger context window?

Claude Sonnet 5.5: 1,000,000 tokens. Moondream 3 Preview: 32,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Sonnet 5.5 ≈ $9,000, Moondream 3 Preview ≈ $1,850.

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