Anthropic: Claude Haiku 5.5 vs Moondream: Moondream 3 Preview

Anthropic: Claude Haiku 5.5 comes out ahead on the data we track: 7 advantages and none for Moondream: Moondream 3 Preview.

Key numbers

SpecAnthropic: Claude Haiku 5.5Moondream: Moondream 3 Preview
ProviderAnthropicMoondream
Input price (per 1M tokens)$0.10$0.30
Output price (per 1M tokens)$0.50$2.50
Blended price (3:1 input/output)$0.20$0.85
Cheaper than … of all models we track70%43%
Context window1M tokens (~1,500 pages)32K tokens (~48 pages)
Larger context than … of all models69%5%
Max output per response128K tokens (~96,000 words)4K tokens (~3,100 words)
Input typestext, image, filetext, image
Output typestexttext
Free variantNoNo
Listed since2026-10-072026-10-15

What it costs for real workloads

Monthly cost at list price for five common workloads. Token counts per unit are stated so you can scale them to your own traffic. A workload that does not fit a model's context window is marked rather than priced.

Workload (per month)Anthropic: Claude Haiku 5.5Moondream: Moondream 3 PreviewDifference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$17.50$72.50Anthropic: Claude Haiku 5.5 saves $55.00
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$17.00$61.00Anthropic: Claude Haiku 5.5 saves $44.00
Coding / tool-using agent
2,000 tasks — each a multi-step task with tool calls and file context (60,000 in / 6,000 out tokens)
$18.00Doesn't fit context—
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$11.00$39.00Anthropic: Claude Haiku 5.5 saves $28.00
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$5.50Doesn't fit context—

Capabilities side by side

CapabilityAnthropic: Claude Haiku 5.5Moondream: Moondream 3 PreviewWhat it lets you do
Tool / function calling✓ Yes—call your APIs and run agent loops
Structured output (JSON schema)✓ Yes—return JSON that validates against your schema
Reasoning / thinking mode✓ Yes✓ Yesspend extra tokens thinking before answering hard problems
Image input✓ Yes✓ Yesread screenshots, charts and scanned pages
Audio input——take speech or audio directly
File / PDF input✓ Yes—accept documents without your own parsing step
Image output——generate images, not just text
Built-in web search✓ Yes—answer from live web results
Seed (reproducible sampling)——repeat a generation for tests and evals
Log-probabilities——read token confidence for classification and scoring

From each model's published parameters and input/output types. “—” means not advertised, not proven absent.

Price history

Which should you choose?

Choose Anthropic: Claude Haiku 5.5 if…

  • cost matters at scale — it is 76% cheaper on a typical 3:1 input/output mix ($17.50 vs $72.50 a month for 50,000 support chats)
  • you need to fit long inputs in one request — 1M tokens is roughly 1,500 pages, against 48
  • you need tool / function calling — to call your APIs and run agent loops; Moondream: Moondream 3 Preview does not advertise it
  • you need structured output (JSON schema) — to return JSON that validates against your schema; Moondream: Moondream 3 Preview does not advertise it
  • you need file / PDF input — to accept documents without your own parsing step; Moondream: Moondream 3 Preview does not advertise it
  • you need built-in web search — to answer from live web results; Moondream: Moondream 3 Preview does not advertise it
  • you generate long outputs in one go — up to 128K tokens (about 96,000 words) per response

Choose Moondream: Moondream 3 Preview if…

No advantage on the data we track — pick it for provider preference or output quality on your own prompts.

Frequently asked questions

Is Anthropic: Claude Haiku 5.5 better than Moondream: Moondream 3 Preview?

Anthropic: Claude Haiku 5.5 comes out ahead on the data we track: 7 advantages and none for Moondream: Moondream 3 Preview.

Which is cheaper, Anthropic: Claude Haiku 5.5 or Moondream: Moondream 3 Preview?

Anthropic: Claude Haiku 5.5 is cheaper: $0.20 vs $0.85 per 1M tokens at a typical 3:1 input/output mix, 76% less. For 50,000 support conversations a month that is $17.50 against $72.50.

How much do Anthropic: Claude Haiku 5.5 and Moondream: Moondream 3 Preview cost per million tokens?

Anthropic: Claude Haiku 5.5 costs $0.10 per 1M input tokens and $0.50 per 1M output tokens; Moondream: Moondream 3 Preview costs $0.30 input and $2.50 output. Output tokens are billed separately, so long answers shift the gap.

Which has the bigger context window, Anthropic: Claude Haiku 5.5 or Moondream: Moondream 3 Preview?

Anthropic: Claude Haiku 5.5: 1M tokens, about 1,500 pages, against 32K (about 48 pages) for Moondream: Moondream 3 Preview.

Do Anthropic: Claude Haiku 5.5 and Moondream: Moondream 3 Preview support function calling and JSON output?

Tool calling — Anthropic: Claude Haiku 5.5: yes, Moondream: Moondream 3 Preview: not advertised. JSON-schema structured output — Anthropic: Claude Haiku 5.5: yes, Moondream: Moondream 3 Preview: not advertised.

Can Anthropic: Claude Haiku 5.5 or Moondream: Moondream 3 Preview read images?

Yes, both accept image input.

Is Anthropic: Claude Haiku 5.5 or Moondream: Moondream 3 Preview free to use?

No free variant is listed for either; both are pay-per-token.

What is the maximum output length of Anthropic: Claude Haiku 5.5 and Moondream: Moondream 3 Preview?

Anthropic: Claude Haiku 5.5 can write up to 128K tokens (about 96,000 words) per response; Moondream: Moondream 3 Preview up to 4K (about 3,100 words).

When were Anthropic: Claude Haiku 5.5 and Moondream: Moondream 3 Preview released?

Anthropic: Claude Haiku 5.5 was listed on 2026-10-07; Moondream: Moondream 3 Preview on 2026-10-15.

About the two models

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