Claude Haiku 5.5 vs Step 5 Preview

Price, context window & benchmark comparison

Claude Haiku 5.5

Anthropic

$0.10 / $0.50

Input / Output · per 1M tokens

Step 5 Preview

StepFun

$1.00 / $2.70

Input / Output · per 1M tokens

Compare different models

Verdict: Claude Haiku 5.5 is 7.1× cheaper than Step 5 Preview on a typical 3:1 input/output mix. Claude Haiku 5.5 scores higher on the Artificial Analysis Intelligence Index (36.2 vs 28.5). Step 5 Preview has the larger context window (1M vs 1M).

	Claude Haiku 5.5	Step 5 Preview
Input price / 1M	$0.10	$1.00
Output price / 1M	$0.50	$2.70
Blended price (3:1)	$0.20	$1.43
Cached input / 1M	$0.01	$0.10
Context window	1M	1M
Max output	128K	64K
Intelligence index	36.2	28.5
Coding index	—	—
Providers	10	—
Best provider uptime (30m)	100.0%	—
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-10-07	2026-10-08
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, Claude Haiku 5.5 or Step 5 Preview?

Claude Haiku 5.5 is 7.1× cheaper than Step 5 Preview on a typical 3:1 input/output mix.

Claude Haiku 5.5 vs Step 5 Preview: which has a bigger context window?

Claude Haiku 5.5: 1,000,000 tokens. Step 5 Preview: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Haiku 5.5 ≈ $450.00, Step 5 Preview ≈ $3,350.

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