Question 1

What is Claude Haiku 5.5?

Accepted Answer

Claude Haiku 5.5 is a model from Anthropic, released on Oct 7, 2026. Claude Haiku 5.5 is Anthropic's fast, low-cost model for high-volume, latency-sensitive work, with a 1M-token context window, 128K max output, and adaptive thinking.

Question 2

How much does Claude Haiku 5.5 cost?

Accepted Answer

On the Respan gateway, input starts at $0.10 per 1M tokens on Anthropic, and output starts at $0.50 per 1M tokens on every provider, after gateway discounts. Averaged across 3 providers, it costs $0.10 per 1M input tokens and $0.50 per 1M output tokens.

Question 3

Which providers serve Claude Haiku 5.5 on Respan?

Accepted Answer

3 providers serve Claude Haiku 5.5: Anthropic, OpenRouter, and Perplexity. Perplexity requires your own provider API key (BYOK).

Question 4

What is Claude Haiku 5.5's context window?

Accepted Answer

Claude Haiku 5.5 accepts up to 1M tokens of context on its largest provider route.

Question 5

How do I use Claude Haiku 5.5 with the Respan gateway?

Accepted Answer

Point any OpenAI-compatible SDK at https://api.respan.ai/api/ with your Respan API key and set the model to "anthropic/claude-haiku-5-5". To set it up with a coding agent, copy the agent setup prompt at the top of this page.

Question 6

How fast is Claude Haiku 5.5?

Accepted Answer

Over the last 30 days of requests through the Respan gateway, the fastest provider was Anthropic at 40 tokens per second, and the lowest response latency was 0.7 seconds on Anthropic. Speed varies with request size and provider.

Provider	Context	Input	Output
Anthropic`anthropic/claude-haiku-5-5`	1M	$0.10/M	$0.50/M
OpenRouter`openrouter/anthropic/claude-haiku-5.5`	1M	$0.10/M	$0.50/M
PerplexityBYOK only`perplexity/anthropic/claude-haiku-5-5`	4K	$0.10/M	$0.50/M

Claude Haiku 5.5

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Pricing

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Throughput and latency

Output speed

Response latency

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Claude Haiku 5.5 FAQ

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