Value Champion" Claude Haiku 4.5 Arrives — Faster Speed at Just One-Third the Cost of Sonnet 4
Anthropic Launches Claude Haiku 4.5
Date: 2025‑10‑16 12:49 Beijing
Tagline: Faster, Cheaper, Safer
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Overview
Just two weeks after its last product launch, Anthropic has unveiled Claude Haiku 4.5 — a lightweight AI model designed to be cheaper and faster, while delivering mid-to-high-end performance comparable to Claude Sonnet 4.
Key points:
- Price: $1 per million input tokens, $5 per million output tokens — about one-third the cost of Sonnet 4.
- Speed: Inference speed is more than double that of Sonnet 4.
- Performance: Comparable intelligence with improvements in certain real-world benchmarks.
> “Haiku 4.5 has made a clear leap in performance. It’s now essentially as smart as Sonnet 4, but much faster and only one‑third of the cost.” — Anthropic spokesperson
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Benchmark Highlights
Tests show Haiku 4.5 outperforms Sonnet 4 on select tasks:
- OSWorld (real-world computer tasks): Haiku 4.5 scored 50.7% vs Sonnet 4's 42.2%.
- Mathematical reasoning (AIME 2025, Python tools): Haiku 4.5 scored 96.3% vs Sonnet 4's 70.5%.
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Target Use Cases
Claude Haiku 4.5 is optimized for real-time, low-latency scenarios, such as:
- Chat assistants
- Customer support
- Collaborative coding
Benefits: Faster coding responses, improved multi‑agent workflows, and quicker prototyping cycles.
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Early Customer Feedback
Guy Gur‑Ari — Co‑founder, Augment Code
> “Claude Haiku 4.5 reached the sweet spot: near‑frontier coding quality, astounding speed, and cost efficiency. In Augment’s internal tests, its performance achieved 90% of Sonnet 4.5, comparable with much larger models.”
Jeff Wang — CEO, Windsurf
> “Historically, models have traded speed and cost for quality. Haiku 4.5 blurs this trade‑off: fast, frontier‑level quality, and highly cost‑efficient.”
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Position in Anthropic’s Model Lineup
While Claude Sonnet 4.5 remains Anthropic’s strongest model across most benchmarks, Haiku 4.5 excels at cost efficiency combined with near‑top-tier performance.
Enterprise Strategy:
- Sonnet 4.5 — designs complex, multi‑step plans
- Haiku 4.5 — executes parallel sub‑tasks at speed
This dual‑model approach enables multi-agent systems to handle:
- Large-scale refactoring
- System migration
- Rapid feature development
Example: In finance, Haiku 4.5 could track thousands of data streams and regulatory updates in real time, while Sonnet 4.5 performs predictive modeling and strategic analysis.
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Multi‑Platform Publishing Synergy
Tools like AiToEarn官网 integrate:
- AI content generation
- Multi‑platform publishing
- Analytics & model ranking (AI模型排名)
Supported channels: Douyin, Kwai, WeChat, Bilibili, Rednote, Facebook, Instagram, LinkedIn, Threads, YouTube, Pinterest, and X.
Benefit: Ideal for creators and developers wanting to deploy Claude Haiku 4.5 into high‑impact, multi‑platform workflows.
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Research Applications
Example Workflow:
- Claude Sonnet 4.5 — Conducts overarching strategic analysis.
- Haiku 4.5 agents — Perform literature review, data collection, and synthesis from multiple sources simultaneously.
Impact: Weeks of research compressed into hours.
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Safety & Alignment
Anthropic states Haiku 4.5 has undergone detailed safety evaluations:
- Lower incidence of biased/problematic behaviors compared to Haiku 3.5.
- Better alignment than Claude Sonnet 4.5 and Claude Opus 4.1.
- Considered “safest model to date” by Anthropic.
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Availability
Claude Haiku 4.5 replaces Haiku 3.5 and Sonnet 4 globally.
Access options:
- Claude platform
- API
- Amazon Bedrock
- Google Cloud Vertex AI
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Anthropic’s Rapid Release Timeline
- Aug 2025: Opus 4.1 launches — SWE‑Bench Verified score: 74.5% (vs Opus 4’s 72.5%).
- Sep 30, 2025: Claude Sonnet 4.5 introduced — marketed as “world’s best coding model”.
- Oct 2025: Claude Haiku 4.5 follows — competing internally.
Business Growth:
- Current monthly run rate: ~$7B
- Projected year-end run rate: ~$9B
- 2026 goal: $20–26B annualized
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References
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Broader AI Ecosystem Impact
In today’s fast-evolving AI world, efficient workflows are critical for both research teams and solo creators.
Platforms like AiToEarn官网 enable:
- AI model integration into content workflows
- Simultaneous publishing across major social networks
- Built‑in analytics for performance optimization
Such tools help creators and enterprises capitalize on rapid AI advancements like Anthropic’s Claude lineup.
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