Reasoning Tools JSON

Claude model for demanding reasoning and long-horizon agentic work

anthropic/claude-fable-5-1 2026-09-01 1M context $10/M input $50/M output
24 providers
Reasoning Tools

Strongest Claude Opus model for coding, agents, and professional work

anthropic/claude-opus-5 2026-07-24 1M context $5/M input $25/M output
32 providers
Tools JSON

Everyday Claude agent model for coding, planning, browsing, and general work

anthropic/claude-sonnet-5 2026-06-30 1M context $2/M input $10/M output
35 providers
Reasoning Tools JSON

Restricted Claude model for advanced cybersecurity and biology research workflows

anthropic/claude-mythos-5 2026-06-09 1M context $10/M input $50/M output
2 providers
Reasoning Tools

Claude model for creative writing, analysis, and controlled agent workflows

anthropic/claude-fable-5 2026-06-09 1M context $10/M input $50/M output
37 providers
Reasoning Tools

Top Claude Opus tier for the hardest reasoning, coding, and long-horizon agents

anthropic/claude-opus-4-8 2026-05-28 1M context $5/M input $25/M output
44 providers
Reasoning Tools

Stronger Opus tier for advanced software work and high-stakes reasoning

anthropic/claude-opus-4-7 2026-04-16 1M context $5/M input $25/M output
40 providers
Reasoning Tools

Claude workhorse for coding agents, careful analysis, and production cost control

anthropic/claude-sonnet-4-6 2026-02-17 1M context $3/M input $15/M output
45 providers
Reasoning Tools

High-end Claude for difficult coding, planning, and slower expert reasoning

anthropic/claude-opus-4-6 2026-02-05 1M context $5/M input $25/M output
37 providers
Reasoning Tools

Flagship Claude model for deep reasoning, coding, and long-horizon agents

anthropic/claude-opus-4-5 2025-11-24 200K context $5/M input $25/M output
17 providers
Reasoning Tools JSON

Flagship Claude model for deep reasoning, coding, and long-horizon agents

anthropic/claude-opus-4-5-20251101 2025-11-01 200K context $5/M input $25/M output
17 providers
Tools JSON

Fast Claude model for responsive assistance, classification, and lightweight agents

anthropic/claude-haiku-4-5-20251001 2025-10-15 200K context $1/M input $5/M output
20 providers
Reasoning Tools

Fast Claude lane for lightweight agents, office tasks, and responsive chat

anthropic/claude-haiku-4-5 2025-10-15 200K context $1/M input $5/M output
23 providers
Reasoning Tools

Balanced Claude model for coding, analysis, agent workflows, and cost control

anthropic/claude-sonnet-4-5 2025-09-29 200K context $3/M input $15/M output
20 providers
Reasoning Tools JSON

Balanced Claude model for coding, analysis, agent workflows, and cost control

anthropic/claude-sonnet-4-5-20250929 2025-09-29 200K context $3/M input $15/M output
18 providers
Reasoning Tools

Flagship Claude model for deep reasoning, coding, and long-horizon agents

anthropic/claude-opus-4-1 2025-08-05 200K context $15/M input $75/M output
9 providers
Reasoning Tools JSON

Flagship Claude model for deep reasoning, coding, and long-horizon agents

anthropic/claude-opus-4-1-20250805 2025-08-05 200K context $15/M input $75/M output
13 providers
Reasoning Tools

Balanced Claude model for coding, analysis, agent workflows, and cost control

anthropic/claude-sonnet-4-20250514 2025-05-22 200K context $3/M input $15/M output
11 providers

Flagship Claude model for deep reasoning, coding, and long-horizon agents

anthropic/claude-opus-4-0 2025-05-22 200K context Input not listed Output not listed
2 providers
Reasoning Tools JSON

Balanced Claude model for coding, analysis, agent workflows, and cost control

anthropic/claude-sonnet-4-0 2025-05-22 200K context $2.898/M input $14.493/M output
4 providers
Reasoning Tools

Flagship Claude model for deep reasoning, coding, and long-horizon agents

anthropic/claude-opus-4-20250514 2025-05-22 200K context $15/M input $75/M output
8 providers
Reasoning Tools

Balanced Claude model for coding, analysis, agent workflows, and cost control

anthropic/claude-3-7-sonnet-20250219 2025-02-19 200K context $3/M input $15/M output
4 providers

Balanced Claude model for coding, analysis, agent workflows, and cost control

anthropic/claude-3-5-sonnet-20241022 2024-10-22 200K context Input not listed Output not listed
1 provider
Tools

Fast Claude model for responsive assistance, classification, and lightweight agents

anthropic/claude-3-5-haiku-20241022 2024-10-22 200K context $0.8/M input $4/M output
3 providers
Tools

Legacy model retained for compatibility with older integrations

anthropic/claude-3-haiku-20240307 2024-03-13 200K context $0.25/M input $1.25/M output
2 providers