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Claude Haiku 4.5 vs Claude Haiku 5.5

Compare Claude Haiku 4.5 from Anthropic and Claude Haiku 5.5 from Anthropic on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

AnthropicClaude Haiku 4.5AnthropicClaude Haiku 5.5
+ Add model · 2/4
Anthropic logo
Claude Haiku 4.5
Anthropic · text, image, pdf → text

Claude Haiku 4.5 is a fast, affordable, and highly capable AI model, excelling at coding and agentic tasks. Its combination of speed and low cost makes it ideal for powering real-time applications like chatbots, high-volume free services, and specialized "sub-agents" for complex tasks in coding, finance, and research. It can also handle common business tasks like creating office documents and assisting with strategy and analysis. ⚠️ The minimum cache token for claude-haiku-4-5 has been increased from 1,024 to 4,096 tokens.

Input$1.1 /M
Output$5.5 /M
Details
Anthropic logo
Claude Haiku 5.5
Anthropic · text, image → text

Claude Haiku 5.5 is Anthropic’s next-generation product, designed for high-throughput, cost-sensitive tasks. It can reliably handle fast and repetitive workloads such as summarization, context compression, database queries, and classification requests. It is also well suited to be used as a sub-agent model in programming workflows alongside Opus 5.5 and Sonnet 5.5.

Input$0.1 /M
Output$0.5 /M
Details

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Claude Haiku 4.5
Claude Haiku 5.5
Input /M
$1.1
$0.1
Output /M
$5.5
$0.5
Cache read /M
-
-
Context length
200,000
1,000,000
Max output
64,000
128,000
Time to First Token
0.5 s
2.1 s
Throughput
152.6 tok/s
190.1 tok/s
Modalities
textimagepdf
textimage
Supported Parameters
thinkingtoolsfunction callingstructured outputs
API Formats
Released
October 1, 2025
October 8, 2026

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

claude-haiku-4-5claude-haiku-5-5

Tokens / day

-

Requests / day

-

Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

claude-haiku-4-5claude-haiku-5-5

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

-

Cost calculator

Estimate your monthly bill for the same workload on each model.

Claude Haiku 5.5
$13.50 /mo
Claude Haiku 4.5
$149 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: Claude Haiku 4.5, Claude Haiku 5.5?

Claude Haiku 5.5: $0.5/M output tokens; Claude Haiku 4.5: $5.5/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

Claude Haiku 4.5: 0.5s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

Claude Haiku 4.5 accepts 200,000 and Claude Haiku 5.5 accepts 1,000,000 input tokens. Maximum output per request is 64,000 tokens on Claude Haiku 4.5 and 128,000 tokens on Claude Haiku 5.5.

Which one generates tokens faster?

Claude Haiku 5.5 at 190.1 tok/s and Claude Haiku 4.5 at 152.6 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

Claude Haiku 4.5 accepts text, image and PDF input and supports thinking, tool calling, function calling and structured outputs; Claude Haiku 5.5 accepts text and image input.

Can I call Claude Haiku 4.5 and Claude Haiku 5.5 with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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