Anthropic Models
Comprehensive benchmark scores, coding performance, latency metrics, and API pricing for all models developed by Anthropic.
Available Models & Verified Benchmarks
Anthropic current default flagship. Official API $5/$25 per 1M tokens and a 1M context window (Anthropic, Jul 24 2026).
Anthropic top-tier long-horizon model. Official API $10/$50 per 1M tokens (Claude Platform pricing, Aug 2026).
Prior Opus generation still billed at $5/$25. Kept as a compare baseline against Opus 5.
Follow-on Opus release. Slightly behind 4.5 on official SWE-bench bash-only in the last published sweep; stronger long-horizon agent traces.
Anthropic frontier coding and computer-use model. SWE-bench leader on the official mini-SWE-agent harness in the Feb 2026 refresh.
Anthropic workhorse. Official $2/$10 per 1M tokens made permanent on Aug 10 2026.
Workhorse Anthropic model: most of Opus coding quality at a mid-tier price.
First Claude 4 Opus generation. Baseline for opus 4 vs opus 5.
First Sonnet 4 generation. Bridge between 3.5/3.7 and Sonnet 5.
Anthropic cheap/fast Claude SKU. Official Claude Platform list price $1/$5 per 1M tokens (Anthropic Haiku page).
Hybrid-reasoning Sonnet from 2025. Kept for historical compare pages.
2024 workhorse. Still a high-intent compare against GPT-4o.
Original Claude 3 flagship. Kept so opus 3 vs later Opus and vs GPT-4o still resolve.
Previous cheap Claude. Haiku 4.5 is the current $1/$5 SKU.
Auto-discovered from OpenRouter (anthropic/claude-opus-5:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-sonnet-5:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-fable-5:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-opus-4.8-fast). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-opus-4.8:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-opus-4.7-fast). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-opus-4.7). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-opus-4.7:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-sonnet-4.6). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-sonnet-4.6:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-opus-4.6:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-opus-4.5:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-haiku-4.5:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-sonnet-4.5:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-opus-4.1). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-opus-4.1:batch). Preview until a second source matches.
Auto-discovered from OpenRouter (anthropic/claude-3-haiku). Preview until a second source matches.