Claude
Anthropic profile, latest version intelligence, capability movement, and source-aware release history.
Profile
Claude is Anthropic's AI assistant, known for being helpful, harmless, and honest. Strong reasoning and coding capabilities with large context windows.
Latest Version
Fable 5
Jun 2026
Confidence
98%
extracted
Context
200,000
last known / not captured
Versions
8
documented releases
Current Release Intelligence
Latest published version and metadata capture state
Release
Fable 5
majorClaude Fable 5 is a Mythos-class model made safe for general use, exceeding capabilities of any previously released Claude model across software engineering, knowledge work, vision, scientific research, and more. It features conservative safeguards for cybersecurity-related queries, falling back to Claude Opus 4.8 for flagged requests in less than 5% of sessions. Pricing is set at $10 per million input tokens and $50 per million output tokens, less than half the price of Claude Mythos Preview.
Decision Fit
Best For
Repository coding and rapid iteration
Avoid If
You need non-technical, no-setup workflows
Release Diff
Core fields and capture notes for this release
Version
Context Window
Not captured in this release; showing last known value when available
200,000 tokens
Pricing
Captured in this release
{"input_per_million_tokens":10,"output_per_million_tokens":50,"currency":"USD"}
Current Capabilities
Fable 5 with previous-release movement
Previous score: 9
Previous score: 9
Previous score: 7
Previous score: 9
Previous score: 8
Previous score: 6
Version History
8 releases documented
Fable 5
June 10, 2026
Claude Fable 5 is a Mythos-class model made safe for general use, exceeding capabilities of any previously released Claude model across software engineering, knowledge work, vision, scientific research, and more. It features conservative safeguards for cybersecurity-related queries, falling back to Claude Opus 4.8 for flagged requests in less than 5% of sessions. Pricing is set at $10 per million input tokens and $50 per million output tokens, less than half the price of Claude Mythos Preview.
Claude Opus 4.8
May 29, 2026
Claude Opus 4.8 builds on Opus 4.7 with improvements across benchmarks in coding, agentic skills, reasoning, and practical knowledge work. It features better judgment in agentic tasks, more efficient tool calling, and a fast mode that operates at 2.5x speed at three times cheaper than previous models. New features include user-controlled effort levels on claude.ai and dynamic workflows in Claude Code for large-scale problems.
Claude Sonnet 4.6
February 17, 2026
Anthropic introduced Claude Sonnet 4.6, described as delivering frontier performance across coding, agents, and professional work at scale. This represents a new version in the Sonnet model line.
Claude 3.7 Sonnet
February 24, 2025
Extended thinking mode introduced. Biggest leap in coding and reasoning. Computer use improved.
Claude 3.5 Sonnet
June 20, 2024
Outperforms Claude 3 Opus at twice the speed. Sets new benchmark for coding tasks.
Claude 3 Opus
March 4, 2024
Most capable Claude model at launch. Beats GPT-4 on most benchmarks. Three tier family introduced.
Claude 2.0
July 11, 2023
Major upgrade. Context window expanded to 100K tokens. Improved reasoning and safer responses.
Claude 1.0
March 14, 2023
Initial public release of Claude. Focused on being helpful, harmless and honest.