claude-sonnet-4-5

Claude Sonnet 4.5 — what’s new, how it performs, and why you might pick it
Dec 2, 2025
claude-sonnet-4-5
claude-sonnet-4-5

Claude Sonnet 4.5 — what’s new, how it performs, and why you might pick it

Claude Sonnet 4.5 (commonly shorted to Claude 4.5) is Anthropic’s September 29, 2025 frontier release focused on long-horizon agentic work, coding, and
Claude Sonnet 4.5 API
Oct 17, 2025
anthropic
claude-sonnet-4-5
claude-sonnet-4-5

Claude Sonnet 4.5 API

Anthropic’s Claude Sonnet 4.5 is a 2025 update focused on long-duration autonomous work, stronger tool/computer use, tighter safety/alignment, and richer developer features (context editing, memory, in-chat code execution and file creation). Benchmarks and vendor tests emphasize large gains on coding and “agentic” tasks (e.g., Anthropic reports ~30 hours of continuous autonomous coding in internal tests and big jumps on OS/tool-use benchmarks).
How to use Claude Sonnet 4.5 with Cursor
Dec 2, 2025
claude-sonnet-4-5
claude-sonnet-4-5

How to use Claude Sonnet 4.5 with Cursor

Anthropic’s Claude Sonnet 4.5 arrived as a focused update for coding, agentic workflows, and “computer use” — the kinds of tasks that require long context,
How Much Does Claude Sonnet 4.5 Cost?
Dec 2, 2025
claude-sonnet-4-5
claude-sonnet-4-5

How Much Does Claude Sonnet 4.5 Cost?

Anthropic’s Claude Sonnet 4.5 (often shortened to Sonnet 4.5) arrived as a performance-focused successor in Anthropic’s Claude family. For teams deciding
Agentic Coding with Claude Haiku 4.5: A Guide For Developer in 2025
Dec 2, 2025
claude-haiku-4-5
claude-sonnet-4-5
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Agentic Coding with Claude Haiku 4.5: A Guide For Developer in 2025

With the October 2025 arrival of Claude Haiku 4.5, Anthropic delivered a model explicitly optimized for agentic workloads: fast, cost-efficient, and tuned for sub-agent orchestration and “computer use” tasks (i.e., driving tools, editors, CLIs).
GPT-5.1 vs Claude Sonnet 4.5 — Which one leads the frontier in 2025?
Dec 2, 2025
claude-sonnet-4-5
gpt-5-1

GPT-5.1 vs Claude Sonnet 4.5 — Which one leads the frontier in 2025?

OpenAI’s GPT-5.1 is an incremental but product-focused update that introduces two usage-flavored variants (Instant and Thinking), extended prompt caching, and
Gemini 3 Pro vs Claude 4.5 Sonnet for Coding: Which is Better in 2025
Dec 9, 2025
claude-sonnet-4-5
gemini-3-pro

Gemini 3 Pro vs Claude 4.5 Sonnet for Coding: Which is Better in 2025

Both Gemini 3 Pro (Google/DeepMind) and Claude Sonnet 4.5 (Anthropic) are 2025-era flagship models optimized for agentic, long-horizon, tool-using workflows —