Tutorials, deep dives and product notes — built for developers.
Claude Sonnet 5 vs Gemini 3.5 Flash: Speed vs Depth. Sonnet leads every coding benchmark (+8.1 Pro, +4.2 TB). Gemini leads MCP Atlas (83.6%), is 4x faster (289 tok/s), 2x cheaper. Coding specialist vs tool orchestration speed king — pick your weapon.
Claude Sonnet 5 vs GLM 5.2: near-ties on every benchmark (±0.6-2.7 pts). GLM 2.3× cheaper on output, MIT open-weight, self-hostable. Sonnet has OSWorld, BrowseComp, Anthropic safety ecosystem. Proprietary premium vs open-weight value — Sonnet's $2/$10 is now permanent.
Claude Sonnet 5 ($2/$10, June 30 — now permanent) beats GPT-5.5 ($5/$30, April 23) on every directly comparable benchmark: +4.6 SWE-bench Pro, +2.2 Terminal-Bench 2.1, +5.2 HLE with tools. At 60% cheaper input and 67% cheaper output. Full benchmark comparison.
Claude Sonnet 5 vs Sonnet 4.6: every benchmark, every gain. +13.4 Terminal-Bench 2.1, +10.6 HLE tools, +5.1 SWE-bench Pro, +223 GDPval (beats Opus 4.8). Same $3/$15 list price. Tokenizer caveat explained. Full comparison with bar charts, radar, and gains chart — all sourced from Anthropic's Sonnet 5 System Card.
Claude Sonnet 5 (63.2% Pro, $15/1M) vs Opus 4.8 (69.2%, $25/1M). Sonnet 5 beats Opus on knowledge work (GDPval 1618 vs 1615), ties on HLE with tools (57.4% vs 57.9%), and delivers 93% of Opus capability at 60% of the price. Full benchmark comparison from Anthropic's Sonnet 5 System Card.
GLM-5.2 vs GLM-5.1: the full sibling comparison. DeepSWE +28.2 (18.0→46.2), HMMT +9.9, GPQA +5.0, Pro +3.7. 200K→1M context (5×). Single→dual thinking modes. Anthropic API native. Same MIT license, same $4.40/1M. All data from Z.ai official blog.
GPT-5.5 dominates agentic coding (+14.2 Terminal-Bench, +4.4 SWE-bench Pro). Gemini 3.1 Pro wins on price (2.5× cheaper), reasoning (GPQA 94.3%), and multimodal breadth. Real benchmarks, pricing analysis, and a 9-point decision matrix for choosing the right enterprise model.
Interactive pricing calculator for 39 AI models, now including Gemini 3.6 Flash at $1.50/$7.50 per 1M tokens. Updated July 21, 2026.
Which frontier AI model tells the truth? 🆕 Claude Fable 5 debuts at #1 on AA-Omniscience (40, 61% accuracy) but with accuracy-driven strategy — higher hallucination than Opus 4.8. GPT-5.4 Mini leads Vectara (5.5%). The reasoning paradox: thinking mode amplifies hallucination 2-3×. Full 19-model ranking.