Claude Sonnet 5.5 vs Moondream 3.1

Price, context window & benchmark comparison

Anthropic

Claude Sonnet 5.5

Anthropic
$2.00 / $10.00
Input / Output · per 1M tokens
VS
Moondream

Moondream 3.1

Moondream
$0.30 / $2.50
Input / Output · per 1M tokens
Compare different models
Anthropic
Moondream
Verdict: Moondream 3.1 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 5.5Moondream 3.1
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 window1M32K
Max output128K4K
Intelligence index54.2—
Coding index——
Providers10—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-09-282026-10-15
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Sonnet 5.5 or Moondream 3.1?

Moondream 3.1 is 4.7× cheaper than Claude Sonnet 5.5 on a typical 3:1 input/output mix.

Claude Sonnet 5.5 vs Moondream 3.1: which has a bigger context window?

Claude Sonnet 5.5: 1,000,000 tokens. Moondream 3.1: 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 3.1 ≈ $1,850.

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