Claude Haiku 4.5

Newer version available: Claude Haiku 5.5

Released
2025-10-01
Last refreshed
2026-10-17
Status
Researched 25d ago
ProprietaryCommercial use: restrictedMultimodalCodingRAGAgentsLong contextVisionJSON / Tool use
Anthropic releases · 16 in the last 12 monthsChangelog →
Specifications
Released
2025-10-01
Context
200K
Max output
64K
Architecture
Decoder Only
Knowledge cutoff
2025-02
Specialization
general
Openness
Proprietary
License
ProprietaryRestricted
Weights
Not released
Code
Unknown
Training
Pretrained
Created by

Developing safe and ethical AI systems.

San Francisco, California, United States
Founded 2021
Website
Pricing
Output / 1M
$5.00
Input / 1M
$1.00

Cheapest of 9 routes · Anthropic

About

Claude Haiku 4.5 is Anthropic's Claude 4.5 model with multimodal text and image input. It offers a 200K-token context window and scores 73.3 on SWE-bench Verified.

Providers(9)

Compare all 9

Compare API pricing across 9 tracked provider routes for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MBatch in / outCacheRoute
Anthropic$1.00$5.00$0.500 / $2.50-
Serverless
GCP Vertex AI$1.00$5.00--
Serverless
Microsoft Foundry$1.00$5.00-read $0.100 / 5m $1.25 / 1h $2.00
ServerlessProvisioned
Scheduled retirement: November 15, 2026
OpenRouter$1.00$5.00-read $0.100
Serverless
Replicate API$1.00$5.00--
Serverless
Vercel AI Gateway$1.00$5.00-read $0.100
Serverless
AWS Bedrock$1.10$5.50-read $0.110 / 5m $1.38 / 1h $2.20
Serverless
Inceptron----
ServerlessPartial
Snowflake Cortex----
ServerlessPartial

Available via routers & gateways(16)

LiteLLM

Gateway

Open-source Python SDK and proxy server that unifies 100+ LLM APIs behind a single OpenAI-compatible interface, with load balancing, cost tracking, and configurable failover.

Free OSSAnthropicGCP Vertex AIMicrosoft Foundry

OpenRouter

Hybrid

Unified hybrid gateway to 500+ models from 80+ providers via a single OpenAI-compatible API, with an optional Auto Router that selects a model per prompt from market spend data.

Passthrough + feeAnthropicGCP Vertex AI

Portkey

Gateway

Production AI gateway routing to 1,600+ LLMs with failover, load balancing, caching, and guardrails; MIT-licensed open-source core is self-hostable. Now part of Palo Alto Networks as Prisma AIRS AI Gateway.

SubscriptionAnthropicGCP Vertex AIMicrosoft Foundry

AIRouter

Router

Commercial LLM router (branded "AI Router" on its site) that picks the best model per request via a Decision API or an OpenAI-compatible Chat Completions endpoint, with a private selection mode that routes on anonymized patterns; sold as BYOK subscription plans priced by routed tokens.

SubscriptionAnthropicGCP Vertex AI

Amazon Bedrock Intelligent Prompt Routing

Router

AWS Bedrock's native prompt router that predicts each model's performance per request and routes between two models of the same family (Anthropic Claude, Meta Llama or Amazon Nova).

Passthrough + feeAWS Bedrock

Azure AI Foundry Model Router

Router

Microsoft Azure AI Foundry's native model router that uses a trained ML model to route each prompt in real time to the optimal Azure-hosted model, with Balanced/Cost/Quality mode selection and automatic failover.

Passthrough + feeMicrosoft Foundry

Capabilities

VisionMultimodalJSON / Tool useStructured OutputsCode Execution

Benchmark peer barsfor Coding

Benchmark scores(4)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
BenchmarkScoreVersionEvaluationSource
68.7v4Observed 2026-04-19—
73.3SWE-bench VerifiedObserved 2026-04-24—
50.5MultiChallengeObserved 2026-04-26—
1371.0text creative_writing 2026-10-22Observed 2026-10-22
Configuration: Claude Haiku 4.5 (20251001)
Harness: LMArena blind pairwise human votes, Bradley-Terry
Evaluator: LMArena
Confidence: confirmed
Notes: LMArena Text arena, Creative Writing category (no style control), board published 2026-10-22 (HF lmarena-ai/leaderboard-dataset @a467e6b9, text config, latest split). Board entry 'Claude Haiku 4.5 (20251001)' (category creative_writing in text/latest-00000-of-00001.parquet): rank 143 of 416, rating 1370.8 (95% CI 1366.2-1375.4), 26153 votes. Source: LMArena (CC BY 4.0). Retrieved 2026-10-27.
Source

Source: LMArena (lmarena.ai), CC BY 4.0

Migration checks

No linked migration route is available for this model yet.

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