Anthropic: Claude Haiku 5.5 vs MiniMax: MiniMax M3 (free)

Neither wins outright: Anthropic: Claude Haiku 5.5 is the pick when you need file / PDF input, MiniMax: MiniMax M3 (free) when cost matters at scale.

Key numbers

SpecAnthropic: Claude Haiku 5.5MiniMax: MiniMax M3 (free)
ProviderAnthropicMinimax
Input price (per 1M tokens)$0.10$0
Output price (per 1M tokens)$0.50$0
Blended price (3:1 input/output)$0.20$0
Cheaper than … of all models we track69%90%
Context window1M tokens (~1,500 pages)1.0M tokens (~1,573 pages)
Larger context than … of all models70%81%
Max output per response128K tokens (~96,000 words)944K tokens (~707,800 words)
Input typestext, image, filetext, image, video
Output typestexttext
Free variantNoYes
Listed since2026-10-072026-05-31

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 5.5MiniMax: MiniMax M3 (free)Difference
Customer-support chatbot
50,000 conversations — each a 6-turn conversation (1,500 in / 400 out tokens)
$17.50$0MiniMax: MiniMax M3 (free) saves $17.50
RAG search over documents
20,000 questions — each a question answered from ~8 retrieved passages (6,000 in / 500 out tokens)
$17.00$0MiniMax: MiniMax M3 (free) saves $17.00
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)
$18.00$0MiniMax: MiniMax M3 (free) saves $18.00
Batch summarisation
10,000 documents — each a 6,000-word report summarised to a page (8,000 in / 600 out tokens)
$11.00$0MiniMax: MiniMax M3 (free) saves $11.00
Long-document analysis
500 documents — each a 150-page contract or codebase read in one pass (100,000 in / 2,000 out tokens)
$5.50$0MiniMax: MiniMax M3 (free) saves $5.50

Capabilities side by side

CapabilityAnthropic: Claude Haiku 5.5MiniMax: MiniMax M3 (free)What it lets you do
Tool / function calling✓ Yes✓ Yescall your APIs and run agent loops
Structured output (JSON schema)✓ Yes✓ Yesreturn 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)—✓ Yesrepeat 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…

  • you need file / PDF input — to accept documents without your own parsing step; MiniMax: MiniMax M3 (free) does not advertise it
  • you need built-in web search — to answer from live web results; MiniMax: MiniMax M3 (free) does not advertise it
  • you want the newer model — released 2026-10-07, 4 months after the other

Choose MiniMax: MiniMax M3 (free) if…

  • cost matters at scale — it is 100% cheaper on a typical 3:1 input/output mix ($0 vs $17.50 a month for 50,000 support chats)
  • you need seed (reproducible sampling) — to repeat a generation for tests and evals; Anthropic: Claude Haiku 5.5 does not advertise it
  • you generate long outputs in one go — up to 944K tokens (about 707,800 words) per response
  • you want to prototype at zero cost — a free variant is listed

Frequently asked questions

Is Anthropic: Claude Haiku 5.5 better than MiniMax: MiniMax M3 (free)?

Neither wins outright: Anthropic: Claude Haiku 5.5 is the pick when you need file / PDF input, MiniMax: MiniMax M3 (free) when cost matters at scale. In short: Anthropic: Claude Haiku 5.5 when you need file / PDF input, you need built-in web search, you want the newer model; MiniMax: MiniMax M3 (free) when cost matters at scale, you need seed (reproducible sampling), you generate long outputs in one go, you want to prototype at zero cost.

Which is cheaper, Anthropic: Claude Haiku 5.5 or MiniMax: MiniMax M3 (free)?

MiniMax: MiniMax M3 (free) is cheaper: $0 vs $0.20 per 1M tokens at a typical 3:1 input/output mix, 100% less. For 50,000 support conversations a month that is $0 against $17.50.

How much do Anthropic: Claude Haiku 5.5 and MiniMax: MiniMax M3 (free) cost per million tokens?

Anthropic: Claude Haiku 5.5 costs $0.10 per 1M input tokens and $0.50 per 1M output tokens; MiniMax: MiniMax M3 (free) costs $0 input and $0 output. Output tokens are billed separately, so long answers shift the gap.

Which has the bigger context window, Anthropic: Claude Haiku 5.5 or MiniMax: MiniMax M3 (free)?

MiniMax: MiniMax M3 (free): 1.0M tokens, about 1,573 pages, against 1M (about 1,500 pages) for Anthropic: Claude Haiku 5.5.

Do Anthropic: Claude Haiku 5.5 and MiniMax: MiniMax M3 (free) support function calling and JSON output?

Tool calling — Anthropic: Claude Haiku 5.5: yes, MiniMax: MiniMax M3 (free): yes. JSON-schema structured output — Anthropic: Claude Haiku 5.5: yes, MiniMax: MiniMax M3 (free): yes.

Can Anthropic: Claude Haiku 5.5 or MiniMax: MiniMax M3 (free) read images?

Yes, both accept image input.

Is Anthropic: Claude Haiku 5.5 or MiniMax: MiniMax M3 (free) free to use?

MiniMax: MiniMax M3 (free) has a free variant (minimax/minimax-m3:free). Free variants usually carry tighter rate limits.

What is the maximum output length of Anthropic: Claude Haiku 5.5 and MiniMax: MiniMax M3 (free)?

Anthropic: Claude Haiku 5.5 can write up to 128K tokens (about 96,000 words) per response; MiniMax: MiniMax M3 (free) up to 944K (about 707,800 words).

When were Anthropic: Claude Haiku 5.5 and MiniMax: MiniMax M3 (free) released?

Anthropic: Claude Haiku 5.5 was listed on 2026-10-07; MiniMax: MiniMax M3 (free) on 2026-05-31.

About the two models

Compare Anthropic: Claude Haiku 5.5 with other models

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