Claude Haiku 4.5
anthropic/claude-haiku-4.5Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance across reasoning, coding, and computer-use tasks, Haiku 4.5 brings frontier-level capability to real-time and high-volume applications.
- Input price
- $1.00USD / 1M tokens
- Output price
- $5.00USD / 1M tokens
- Cache read
- $0.10USD / 1M tokens
- Cache write
- $1.25USD / 1M tokens
- Context window
- 200K
- Max output
- 64K
Specifications
- Input
- Text, image
- Output
- Text
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Choose either supported API with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/chat/completions" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "anthropic/claude-haiku-4.5",
"messages": [
{
"role": "user",
"content": "Hello"
}
],
"max_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"Questions
FAQ
How do I call Anthropic Claude Haiku 4.5 through SandBase?
Create a SandBase API key, then send requests with the model ID "anthropic/claude-haiku-4.5" to Chat Completions API (/v1/chat/completions) or Messages API (/v1/messages) at https://api.sandbase.ai. The request examples on this page show the exact payload.
How much does Anthropic Claude Haiku 4.5 cost?
$1 per 1M input tokens and $5 per 1M output tokens, billed per request from your SandBase balance. Discounts, when available, are shown in the pricing on this page.
What is the context window of Anthropic Claude Haiku 4.5?
200K tokens of context, with up to 64K output tokens per response.
Which features does Anthropic Claude Haiku 4.5 support?
Anthropic Claude Haiku 4.5 supports vision (image input), reasoning, function calling, structured output. See Specifications above for the full list.
Do I need a separate Anthropic account?
No. One SandBase API key and balance gives you access to Anthropic Claude Haiku 4.5 and the other models in the catalog; you do not need to sign up with Anthropic separately.