Claude Haiku 3.5
Fast Claude model for responsive assistance, classification, and lightweight agents.
- Capability
- 127.2ECI · #134 of 148
- Input
- —No listed price
- Output
- —No listed price
- Context
- 200K8K max output
What it costs
No per-token price is published for this model yet.
No per-token price is listed for this model on models.dev.
Independent benchmarks
#134 of 148 scored models
The shaded band is Epoch AI’s confidence range (120.7–129.7); the tick marks the median scored model.
Scores from Epoch AI, run independently of Anthropic.
The details
- Lab
- Anthropic
- Released
- Oct 22, 2024
- Knowledge cutoff
- Jul 31, 2024
- Context window
- 200,000 tokens
- Max output
- 8,192 tokens
- Inputs
- Text, Images, PDFs
- Output
- Text
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- No
- Weights
- Proprietary
What Anthropic claims
Published by the lab at launch. Settings vary, so compare these only with care.
| Benchmark | Score | Setting | Source |
|---|---|---|---|
| Aider Polyglot | 28 percent correct | — | Source |
More from Anthropic
About Claude Haiku 3.5
How much does Claude Haiku 3.5 cost?
Claude Haiku 3.5 has no published per-token API price on models.dev yet.
What is the context window of Claude Haiku 3.5?
Claude Haiku 3.5 accepts up to 200,000 tokens per request and can write up to 8,192 tokens in one response.
How good is Claude Haiku 3.5?
Epoch AI gives Claude Haiku 3.5 a Capabilities Index score of 127.2 (likely range 120.7–129.7), ranking it #134 of 148 models Epoch has scored. Epoch AI benchmark results: GPQA Diamond 38.1%, OTIS Mock AIME 2024–2025 4.3%.
Is Claude Haiku 3.5 open source?
No. Claude Haiku 3.5 is proprietary; you use it through an API or partner platforms.
What inputs does Claude Haiku 3.5 support?
Claude Haiku 3.5 accepts text, images and PDFs and replies in text. It is not a dedicated reasoning model, supports tool calling.
When was Claude Haiku 3.5 released?
Anthropic released Claude Haiku 3.5 on Oct 22, 2024. Its training data runs to Jul 31, 2024.
What are the best alternatives to Claude Haiku 3.5?
The closest current models from other labs on capability, price and release date are Llama-3.3-70B-Instruct (Meta, ECI 127.3, $0.59 / $0.724), Mistral Large 2.1 (Mistral AI, ECI 128.5, $2.00 / $6.00), Qwen2.5 32B Instruct (Alibaba (Qwen), ECI 128.5, $0.70 / $2.80) and GPT-4o mini (OpenAI, ECI 126.6, $0.15 / $0.60).