Anthropic

14 models from Anthropic on LMRank.

Anthropic models
Model Tags Context Price (in / out)
Claude Fable 5
Agentic Coding Intelligent Reasoning Long Context
1M $10.00 / $50.00
Claude Opus 4.8
Intelligent Reasoning Agentic Multimodal
1M $5.00 / $25.00
Claude Opus 4.7
Intelligent Reasoning Agentic Multimodal
1M $5.00 / $25.00
Claude Opus 4.5
Intelligent Reasoning Multimodal
200K $5.00 / $25.00
Claude Sonnet 5
Intelligent Reasoning Coding Agentic Image Input Long Context
1M $2.00 / $10.00
Claude Opus 4.6
Intelligent Coding Agentic Long Context
1M $5.00 / $25.00
Claude Sonnet 4.6
Agentic Coding Intelligent
1M $3.00 / $15.00
Claude Sonnet 4
Intelligent Coding Multimodal
200K $3.00 / $15.00
Claude Haiku 4.5
Fast Coding
200K $1.00 / $5.00
Claude Opus 5.5
Intelligent Reasoning Coding Agentic Long Context
1M $4.00 / $20.00
Claude Fable 5.1
Intelligent Coding Reasoning Agentic Long Context
1M $10.00 / $50.00
Claude Opus 5
Intelligent Reasoning Coding Agentic Multimodal Long Context
1M $5.00 / $25.00
Claude Sonnet 5.5
Intelligent Reasoning Coding Agentic Long Context Image Input
1M $2.00 / $10.00
Claude Haiku 5.5
Fast Coding Agentic
1M $0.10 / $0.50

Anthropic model lineup

LMRank currently tracks 14 active models from Anthropic. The strongest model is Claude Fable 5. Listed input prices range from $0.10 to $10.00 per million tokens; output prices range from $0.50 to $50.00.

Use the table to compare context windows, tags, and API prices. Open a model page for source links, benchmark context, limitations, and direct comparisons with alternatives.

In Depth: Anthropic

About Anthropic

Anthropic is an AI research lab dedicated to building safe, steerable large language models. Their flagship Claude Fable 5 is currently ranked #1 on LMRank with a 9.9/10, making it a top choice for enterprises prioritizing controlled, reliable outputs.

Anthropic releases models at a measured cadence, favoring safety evaluations over speed. All current models are closed-weight and available exclusively via Anthropic API, Claude.ai, and select enterprise contracts. The company does not offer open-weight releases, which limits customization but supports consistent, managed behavior.

Model Lineup

Anthropic offers 9 active models. Their top performer is Claude Fable 5, ranked #1 on LMRank at 9.9/10. The lineup spans reasoning-focused, cost-balanced, and high-efficiency tiers for different workload demands.

The top tier includes Claude Fable 5 at 9.9/10. Mid-tier models like Claude Opus 3 and Claude Sonnet 4 balance performance with lower latency. Claude Haiku 3 is the lightweight entry point for simpler tasks. All models are closed-weight and accessed via the same API, with tiered pricing by capability.

Pricing & Access

Anthropic models require API or web app access; no free tier exists for the highest-performance options. Prices start with pay-as-you-go rates for Claude Haiku 3 and scale up for Claude Fable 5 by input/output token.

Claude Fable 5 is priced at market-leading rates per token, similar to OpenAI’s GPT-4.5 tier. Claude Haiku 3 is the most affordable. Access is restricted to Anthropic’s proprietary API and Claude.ai; no open-weight or self-hosted option is available. Enterprise discounts and dedicated throughput are negotiable.

Best For & When to Look Elsewhere

For safety-critical applications requiring high reliability, Claude Fable 5 sets the benchmark. Claude Haiku 3 is best for high-volume, low-cost inference. Anthropic models are a poor fit if you need open weights or on-premise deployment.

  • Enterprise chatbots needing strict content guardrails
  • Complex reasoning tasks with detailed oversight
  • Use any other lab if you require open-weight models