Atlas / Models / Anthropic / Anthropic: Claude 3 Haiku

Anthropic: Claude 3 Haiku✓ Catalog verified

anthropic/claude-3-haiku

Claude 3 Haiku is Anthropic's fastest and most compact model for near-instant responsiveness. Quick and accurate targeted performance. See the launch announcement and benchmark results here #multimodal

Input price
$0.25 /1M
Output price
$1.25 /1M
Context
200K
Modalities
textimage
Released
Mar 13, 2024
Tool calling
✓ Yes
Atlas signal
82/100
01

Overview

Claude 3 Haiku is Anthropic's fastest and most compact model for near-instant responsiveness. Quick and accurate targeted performance. See the launch announcement and benchmark results here #multimodal

Access: available through the official Anthropic API. Context window: 200K.

Pricing and metadata from the ModelsAtlas catalog.Last refreshed Aug 5, 2026
02

Specifications

API identifieranthropic/claude-3-haiku
ProviderAnthropic
Model typeMultimodal LLM
Context window200K catalog
Input modalitiestext · image
Output modalitiestext
ReleasedMar 13, 2024
TokenizerClaude
ModeratedYes
Architecture modalitytext+image->text
Supported parameters
max_tokensstoptemperaturetool_choicetoolstop_ktop_p
Source: provider documentation + catalog feedMethodology →
03

Pricing

Live pricing components for anthropic/claude-3-haiku as published in the catalog.

$0.25
Input /1M
$1.25
Output /1M
Per request
Per image
Pricing componentRaw unit priceNormalizedUnit
Prompt tokens$2.5e-7$0.25 / 1MPer input token
Completion tokens$0.00000125$1.25 / 1MPer output token
Request feeN/AN/APer request
Image feeN/AN/APer image unit
Web search feeN/AN/APer search request
Source: catalog pricing feedCompare all pricing →Cheapest models →
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Cost calculator

Estimate monthly spend from your own token volumes.

Scale / Volume

Estimated Total Cost

$0.38Calculated from current list pricing in the ModelsAtlas catalog.
05

Capabilities

CapabilityStatusWhat it means
Visual Understanding✓ SupportedImage and document analysis support
Audio ProcessingNot advertisedSpeech and voice aligned flows
Tool Calling✓ SupportedSupports tools / function calling
Self-HostingNot advertisedDeploy outside managed APIs
Derived from catalog capability tags and supported parameters
06

Capability signals

Directional signals derived from model metadata and capability tags — not official benchmark submissions.

Anthropic: Claude 3 Haiku
MMLU Signal (Reasoning)
79signal
Coding Signal (HumanEval proxy)
85signal
Math Signal (GSM8K proxy)
79signal
Science Signal (GPQA proxy)
83signal
Estimated from metadata — not an official benchmark runAll benchmarks →Methodology →
07

Quick start

Call Anthropic: Claude 3 Haiku through an OpenAI-compatible client.

from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="anthropic/claude-3-haiku",
    messages=[{"role": "user", "content": "Explain quantum physics."}]
)

print(response.choices[0].message.content)
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Alternatives

Closest models by context window from a different provider.

09

Sources & attribution

Pricing and metadata are maintained in the ModelsAtlas catalog.

Capability bars use metadata tags — directional estimates onlyHow we source and verify data →
10

Frequently asked questions

How much does Anthropic: Claude 3 Haiku cost?

$0.25 per 1M input tokens and $1.25 per 1M output tokens on the official Anthropic API.

What is the context window of Anthropic: Claude 3 Haiku?

Anthropic: Claude 3 Haiku supports up to 200K tokens of context.

Does Anthropic: Claude 3 Haiku support tool / function calling?

Yes, Anthropic: Claude 3 Haiku supports tool / function calling — you can register tools and the model will emit structured tool calls.

How do I access Anthropic: Claude 3 Haiku?

Use the official Anthropic API with the model id `anthropic/claude-3-haiku`. See the Quick start section above for code examples.