Claude Haiku 4.5
Claude Haiku 4.5 is worth evaluating for coding, rag, and agents when its provider route and context window match the workload.
Use it for
- Teams evaluating coding, rag, and agents
- Workloads that can use a 200k context window
- Buyers comparing 4 tracked provider routes
Do not use it for
- Workloads where another current model has stronger sourced task evidence
- Family
- Claude 4.5
- Released
- 2025-10-01
- Context
- 200k
- Max output
- 64,000
- Architecture
- Decoder Only
- Knowledge cutoff
- 2025-02
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
- Training
- Pretrained
Cheapest of 9 routes · AWS Bedrock
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.
Top use-case fit: coding, agents, and build tasks
Coding
Q/$ D1 relevant benchmark in the decision map.
RAG
Included by capability and metadata signals in the decision map.
Agents
Q/$ C2 relevant benchmarks in the decision map.
Provider price ladder
Compare all 9Compare API pricing across 4 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Batch in / out | Cache | Route |
|---|---|---|---|---|---|
| AWS Bedrock | $0.800 | $4.00 | - | - | Serverless |
| GCP Vertex AI | $0.800 | $4.00 | - | - | Serverless |
| Anthropic | $1.00 | $5.00 | $0.500 / $2.50 | - | Serverless |
| Microsoft Foundry | $1.00 | $5.00 | - | read $0.100 / 5m $1.25 / 1h $2.00 | ServerlessProvisioned |
Available via routers & gateways(16)
LiteLLM
GatewayOpen-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.
OpenRouter
HybridUnified hybrid gateway to 400+ models from 60+ providers via a single OpenAI-compatible API, with optional auto-routing that selects the best model per prompt.
Portkey
GatewayProduction AI gateway routing to 1,600+ LLMs with failover, load balancing, semantic caching, and guardrails; Apache 2.0 core is fully self-hostable with the complete feature set.
AIRouter
RouterCommercial LLM router that analyzes incoming requests and routes to the optimal model for cost/quality/latency via a drop-in OpenAI-compatible API, with a privacy-preserving embedding mode that avoids sending prompt content.
Amazon Bedrock Intelligent Prompt Routing
RouterAWS Bedrock's native intelligent prompt router that routes prompts between Anthropic Claude model tiers (Haiku/Sonnet) based on predicted task complexity, with no extra per-routing charge.
Azure AI Foundry Model Router
RouterMicrosoft 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.
Capabilities
Benchmark peer barsfor Coding
Benchmark scores(3)
| Benchmark | Score | Version | Evaluation | Source |
|---|---|---|---|---|
| BFCL | 68.7 | v4Observed 2026-04-19 | — | Source |
| SWE-bench Verified | 73.3 | SWE-bench VerifiedObserved 2026-04-24 | — | Source |
| MultiChallenge | 50.5 | MultiChallengeObserved 2026-04-26 | — | Source |
Migration checks
No linked migration route is available for this model yet.
Rankings & picks(3)
Compare Claude Haiku 4.5 with other models
Comparison and alternatives
Browse all comparisons →Show all 31 popular comparisonssorted by 7-day search impressions
Cheapest of 9 routes · AWS Bedrock