LLM Comparison

Claude Haiku 5.5 vs ERNIE 4.5 21B A3B Thinking

Side-by-side specs, pricing & capabilities

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2/6 models

Same tier:

	Claude Haiku 5.5	ERNIE 4.5 21B A3B Thinking
Organization	Anthropic	Baidu
OpenTools Score
Family	Claude	ERNIE
Status	Current	Current
Release Date	Oct 2026	Oct 2025
Context Window	1.0M tokens	131K tokens
Input Price	$0.10/M tokens	$0.07/M tokens
Output Price	$0.50/M tokens	$0.28/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	textcodeextended-thinking
Max Output	128K tokens	66K tokens
API Identifier	`claude-haiku-5-5`	`baidu/ernie-4.5-21b-a3b-thinking`
Benchmarks
Artificial Analysis Intelligence Index v4.3.2	43.4 indexartificial-analysis	—
	View Claude Haiku 5.5	View ERNIE 4.5 21B A3B Thinking

Cost Calculator

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Input tokens / month

Output tokens / month

Model	Input	Output	Total / mo	vs Best
ERNIE 4.5 21B A3B ThinkingCheapest	$0.07	$0.14	$0.21	—
Claude Haiku 5.5	$0.10	$0.25	$0.35	+67%

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.

Baidu

ERNIE 4.5 21B A3B Thinking

ERNIE 4.5 21B A3B Thinking is a large language model from Baidu. Supports up to 131,072 token context window. Available from $0.07/M input tokens.