#Claude Sonnet 4
895 related articles
·3 min
Claude Sonnet 5 Deep Dive: Impressive Benchmarks, Questionable Value — Just Use Opus 4.8?
Claude Sonnet 5 review: 63.2% SWE-bench, near Opus 4.8 performance, but new tokenizer hides real costs. Ranks 13th on CursorBench. Most tasks: stick with Opus 4.8.
Read more →
·3 min
Claude Sonnet 5 Deep Dive: Impressive Benchmarks, Disappointing Reality — Stick with OPUS 4.8
Anthropic's Claude Sonnet 5 claims near-OPUS 4.8 performance at lower cost. Real-world tests reveal hidden tokenizer costs, weak creative output, and only 13th place on Cursor rankings.
Read more →
·2 min
Claude Sonnet 4 Returns to Cursor: Tops CursorBench, But at the Highest Cost Per Task
Claude Sonnet 4 returns to Cursor, topping CursorBench while carrying the highest cost per task. A deep dive into performance vs. cost trade-offs for AI coding tools.
Read more →
·3 min
Claude Sonnet 5 Imminent, GPT-4.6 This Week? A Wave of Frontier Model Updates
Claude Sonnet 5 may launch this week with up to 2M token context; GPT-4.6 Pro arrives with stunning code generation; mysterious Opus 6 exists internally. Full breakdown of this week's frontier AI model updates.
Read more →
·1 min
GPT-5 SWE-bench Evaluation: GPT-5-mini Crushes the Competition on Cost-Effectiveness vs Claude Sonnet 4
mini-SWE-agent's GPT-5 series evaluation on SWE-bench shows GPT-5 matches Claude Sonnet 4, while GPT-5-mini loses only ~5 points at less than 1/5 the cost.
Read more →
·3 min
Deep Dive into Claude Sonnet 4: Replicating Lovable with Just Two Prompts
Deep dive into Claude Sonnet 4: replicate Lovable with two prompts, generate McKinsey-grade reports, build 2D games, and explore the AI Agent building block economy.
Read more →
·3 min
Claude Sonnet 4 Invents Its Own Browser Automation: The Wild Debugging Journey of a CSS Bug
Simon Willison shares how Claude Sonnet 4 (Fable) autonomously invented PyObjC screenshots, built a CORS server, and penetrated Shadow DOM to debug a CSS bug — revealing both tool-making power and security risks.
Read more →
Product Reviews·2 min
GPT-5.1 vs Claude Sonnet 4.5 Hands-On Comparison: Coding, Writing, and Creativity Benchmarked
Hands-on comparison of GPT-5.1 vs Claude Sonnet 4.5 across long-form writing, classical poetry, front-end coding, and UI reproduction to help you pick the right AI model.
Read more →
Product Reviews·2 min
GPT 5.1 vs Claude Sonnet 4.5 Hands-On Comparison: Who Wins at Reasoning, Writing, and Coding
Hands-on comparison of GPT 5.1 Thinking vs Claude Sonnet 4.5 across story writing, math reasoning, emotional support, instruction following, and coding to help you choose the right AI model.
Read more →
Product Reviews·1 min
Claude Haiku 4.5 Hands-On: Coding Ability Rivals Sonnet 4 at One-Third the Cost
Hands-on testing of Claude Haiku 4.5's coding ability, comparing it with Sonnet 4.5 and Opus 4.1 across weather cards, physics simulation, and 3D rendering tasks.
Read more →
Product Reviews·1 min
Claude Sonnet 4.5 vs GPT-5 Codex: A Hands-On Soft-Body Physics Programming Showdown
In-depth comparison of Claude Sonnet 4.5 vs GPT-5 Codex recreating classic game Terep 2's soft-body physics in C++, covering terrain rendering, physics engines, and collision detection.
Read more →
Tech Frontiers·1 min
Claude Sonnet 4.6 Comprehensive Review: A New AI Benchmark for Knowledge Work with Near-Opus Performance
In-depth analysis of Anthropic's Claude Sonnet 4.6: agentic tool use, computer control, and office task upgrades. Multiple benchmarks surpass Opus 4.6, redefining mid-tier AI capabilities.
Read more →
Tutorials·2 min
Xcode MCP + Claude Sonnet 4 in Action: Building a Mac TTS App with Zero Hand-Written Code
A detailed walkthrough of using Xcode MCP with Claude Sonnet 4 to build a Mac local TTS app entirely through AI-generated code, covering setup, design guidelines, and results.
Read more →
Product Reviews·1 min
Claude Sonnet 4.6 Review: Flagship-Level AI Performance at One-Tenth the Price
In-depth review of Claude Sonnet 4.6: flagship AI performance at 1/10th the price. 1M context window, 72.5% OS World score, $3/M input tokens.
Read more →
Tech Frontiers·1 min
Claude 4 Launch: Opus and Sonnet Dual Models Explained, Coding Agent Capabilities Fully Upgraded
Anthropic launches Claude 4 Opus and Claude 4 Sonnet. Claude Code goes GA with IDE integration and SDK. MCP protocol connects directly to API. Full breakdown of coding and agent upgrades.
Read more →
Product Reviews·1 min
Claude 4 Hands-On Review: In-Depth Comparison of Opus 4 and Sonnet 4
First hands-on review of Claude 4 series: multi-dimensional comparison of Opus 4 and Sonnet 4 across coding, document analysis, reasoning, and AI Agents, with benchmarks against GPT-4o and Gemini 2.5 Pro.
Read more →
Product Reviews·4 min
GLM-4.7 In-Depth Review: Coding Capabilities on Par with Claude Sonnet 4.5
In-depth testing of Zhipu AI's open-source GLM-4.7 coding abilities across SVG animation, 3D game dev, iOS native apps, and browser automation, compared against Claude Sonnet 4.5 and DeepSeek V3.2.
Read more →
Product Reviews·4 min
Claude Sonnet 4.5 Document Generation in Practice: One Prompt to Create Excel, Word, and PPT
Hands-on test of Claude Sonnet 4.5's code execution and file creation features, showing how one prompt generates Excel, Word, and PPT documents with four optimization strategies and three complete examples.
Read more →
Product Reviews·4 min
Kimi K2 Thinking Hands-On Review: Can It Replace Sonnet 4.5 in Claude Code?
Hands-on testing Kimi K2 Thinking in Claude Code across text creation, programming, agent building, and full-stack apps. Comparing it to Claude Sonnet 4.5 and DeepSeek as a cost-effective AI coding alternative.
Read more →
Product Reviews·3 min
Claude Haiku 4.5 Review: Sonnet 4-Level Coding at 1% of the Cost
In-depth review of Claude Haiku 4.5: 73.3% on SWE-bench rivaling Sonnet 4, input at just $1/million tokens. Covers code generation, agentic coding, SVG tests, and Sonnet+Haiku collaboration strategies.
Read more →