LLM Comparison

Claude Haiku 5.5 vs Phi 4

Side-by-side specs, pricing & capabilities

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2/6 models

Same tier:

	Claude Haiku 5.5	Phi 4
Organization	Anthropic	Microsoft
OpenTools Score
Family	Claude	Phi
Status	Current	Current
Release Date	Oct 2026	Jan 2025
Context Window	1.0M tokens	16K tokens
Input Price	$0.10/M tokens	$0.07/M tokens
Output Price	$0.50/M tokens	$0.14/M tokens
Pricing Notes	Anthropic Claude API global standard tier, USD per million tokens. Prompts up to 100,000 tokens: $0.10 input, $0.50 output, $0.125 five-minute cache write, $0.20 one-hour cache write, and $0.01 cache read. Prompts above 100,000 tokens: $0.50 input, $2.50 output, $0.625 five-minute cache write, $1 one-hour cache write, and $0.05 cache read. Batch API requests receive a 50% discount. US-only data residency applies a 1.1x token-price multiplier. The Batch API beta supports up to 300,000 output tokens; 128,000 is the standard API cap recorded here.	—
Capabilities	reasoningvisiontool-uselong-contextcontext-caching	textcode
Max Output	128K tokens	16K tokens
API Identifier	`claude-haiku-5-5`	`microsoft/phi-4`
Benchmarks
AIME 2025	—	18%artificial-analysis
Artificial Analysis Intelligence Index v4.3.2	43.4 indexartificial-analysis	—
GPQA Diamond	—	57.5%artificial-analysis
	View Claude Haiku 5.5	View Phi 4

Cost Calculator

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Input tokens / month

Output tokens / month

Model	Input	Output	Total / mo	vs Best
Phi 4Cheapest	$0.07	$0.07	$0.14	—
Claude Haiku 5.5	$0.10	$0.25	$0.35	+159%

Anthropic

Claude Haiku 5.5

Claude Haiku 5.5 is Anthropic's fast proprietary model for high-volume classification, extraction, routing, and subagent workloads. It accepts text and images, returns text, uses adaptive thinking, and supports a 1,000,000-token context window with up to 128,000 output tokens on standard API calls.

Microsoft

Phi 4

Phi 4 is a large language model from Microsoft. Supports up to 16,384 token context window. Available from $0.07/M input tokens.