Anthropic
Claude Haiku 4.5
Claude 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...
Cost / 1M tokens
Medium usage$1.00
input
$0.10
cached input
$5.00
output
Context Window
200K
Up to 64K max output
Modalities
text, image, file → text
Claude tokenizer
Quickstart & API
anthropic/claude-haiku-4.5Best for & Strengths
Key Strengths
Recommended Workloads in ChatOSS
- Coding agents
- Complex reasoning & debugging
- Screenshot-to-code workflows
Verified Evaluations
Benchmarks & Frontier Comparison
How Claude Haiku 4.5 compares against leading open-weight and proprietary frontier models across independent agentic coding and reasoning suites.
| Benchmark (Metric) | Claude Haiku 4.5 | DeepSeek V4.1 Flash | GLM 5.3 | Kimi K3.1 Pro | Claude Opus 5.5 |
|---|---|---|---|---|---|
| Agentic & Software Engineering | |||||
| ChatOSS Agentic Coding Index (%) | — | 63.2% | 58.3% | 65% | 74.1% |
| SWE-Bench Verified (%) | — | 91.5% | 95.4% | 94.8% | 97% |
| DeepSWE v1.1 (Pass@1 %) | — | 77% | 69% | 73.5% | 74.2% |
| Vibe Code Bench v1.1 (%) | — | 87.7% | 78.1% | 88.4% | 90.3% |
| Terminal-Bench 4.0 (%) | — | 42.3% | 42% | 46.2% | 65.2% |
| Code Migration (%) | — | 45.6% | 44.2% | 52% | 66.7% |
| Intelligence & Token Economics | |||||
| Artificial Analysis Intelligence Index (0–100) | 16.9 | 39.5 | 44.8 | 55.1 | 57.6 |
| Input Price (/ 1M tokens) | $1.00 | $0.15 | $1.40 | $2.00 | $4.00 |
| Output Price (/ 1M tokens) | $5.00 | $0.60 | $4.40 | $10.00 | $20.00 |
Artificial Analysis Intelligence Index
Artificial Analysis
Design Arena: 3D
Design Arena · Rank #102 (41.1% win)
Design Arena: ASCIIART
Design Arena · Rank #51 (49.3% win)
Design Arena: Code Generation
Design Arena · Rank #101 (44.9% win)
Design Arena: Data Visualization
Design Arena · Rank #95 (45.6% win)
Active Provider Endpoints (8)
Upstream inference providers serving Claude Haiku 4.5, with per-provider pricing, context limits, quantization, and 24-hour uptime.
| Provider | Input / 1M | Output / 1M | Cache Read / 1M | Context | Max Output | Quantization | Uptime (24h) |
|---|---|---|---|---|---|---|---|
Azure azure/global | $1.00 | $5.00 | $0.10 | 200K | 64K | — | 99.9% |
Amazon Bedrock amazon-bedrock/global | $1.00 | $5.00 | $0.10 | 200K | 64K | — | 100.0% |
Google google-vertex/global | $1.00 | $5.00 | $0.10 | 200K | 64K | — | 100.0% |
Anthropic anthropic | $1.00 | $5.00 | $0.10 | 200K | 64K | — | 100.0% |
Amazon Bedrock amazon-bedrock/us | $1.10 | $5.50 | $0.11 | 200K | 64K | — | 100.0% |
Google google-vertex/us-east5 | $1.10 | $5.50 | $0.11 | 200K | 64K | — | 100.0% |
Amazon Bedrock amazon-bedrock/eu-west-1 | $1.10 | $5.50 | $0.11 | 200K | 64K | — | 99.7% |
Google google-vertex/europe | $1.10 | $5.50 | $0.11 | 200K | 64K | — | 100.0% |
Supported API Parameters
Parameters accepted by this model when called through ChatOSS or OpenRouter.
Compare Similar Models
Browse all models →Anthropic
Claude Haiku 5.5
Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...
Anthropic
Claude Sonnet 5.5
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...
Anthropic
Claude Opus 5.5
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
Anthropic
Claude Fable 5.1
Claude Fable 5.1 improves on Claude Fable 5 across the board, with the biggest gains in agentic coding, long-running agentic workflows, and knowledge work: long code refactors, front-end and visual...
Moonshot AI
Kimi K3.1 Pro
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window. It is built for long-horizon coding, 3D...
Z.ai (GLM)
GLM 5.3
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...