AI Model Reviews & Comparisons
Reviews, explainers, and head-to-head comparisons of released AI models. Includes 'What is [model]?' evergreen posts, single-model reviews, capability deep-dives, and side-by-side comparisons. Closed-source frontier models (GPT, Claude, Gemini) are the main beat; non-deployment content on open models lives here too. Deployment guides for open models stay in Local & Open-Weight Models.

Claude Fable 5.1 Pricing: Is It Actually Cheaper Than Fable 5?
Fable 5.1's discount comes from cache reads, not lower token prices. Independent analysis suggests it may cost more per task than Fable 5.

Claude Fable 5.1: What's New in Anthropic's Latest Model
Anthropic's Fable 5.1 brings agentic benchmark gains, cheaper cached prompts, and better readability. Here's what actually changed.

Claude Opus 5.1 Benchmarks: How Much Better Is It Than Opus 5?
Claude Opus 5.1's benchmark gains over Opus 5 and GPT-5.6, covering coding, research, computer use, and business automation scores.

Claude Opus 5.1 Pricing: Is It Actually Cheaper Than Opus 5?
Claude Opus 5.1 keeps Opus 5's per-token price but cuts cache read costs and token waste, lowering real-world cost per task significantly.

DeepSeek-V4-Flash-Vision-Exp: How Its Benchmarks Stack Up vs Opus 4.8
DeepSeek's new multimodal model scores on ApexBench, ZeroBench, and text agent tasks, compared directly against Opus 4.8 and its own predecessor.

Fable 5.1 vs GPT-5.6 vs GLM 5.3: Which Model Actually Wins?
Fable 5.1, GPT-5.6 Soul, and GLM 5.3 compared on benchmarks, cost per task, and hands-on coding and creative generation tests.

Tencent Hy4 Preview: Full Specs and How It Stacks Up to GLM 5.3, Kimi K3
Tencent's open-weight Hy4 preview MoE model edges out GLM 5.3 and Kimi K3 in blind engineering evals. Specs, architecture, and benchmarks explained.

Tencent Hy4 Preview vs GLM 5.3 and Kimi K3: Who Wins?
Tencent's blind expert evaluation shows Hy4 preview edging out GLM 5.3 and Kimi K3 on real engineering tasks. Here's how the numbers break down.

Fal H3 Max Pricing: Free Tier, API Costs and Discount Explained
How much Fal's H3 Max video model costs via API, the current 50% off promo, and how to generate video for free on Fal right now.

GLM 5.3 Flash vs GLM 5.3: Which Should You Use?
GLM 5.3 Flash and GLM 5.3 compared on architecture, pricing, and benchmarks to help you pick the right ZAI model for your workload.

Grokbot Price Drop: What the Cheaper Tier Opens Up for Agent Teams
Grokbot's subscription got cheaper, opening access to AI agent teams. Here's what the tier includes and how to structure your first setup.

Tencent Hy4 Preview: A 770B MoE Model That Edges Out GLM-5.3
Tencent's Hy4 preview is a 770B-parameter, 49B-active MoE model with 1M context that beat GLM-5.3 and Kimi K3 in blind evals.

GLM-5.3-Flash: Specs, Benchmarks, and Local Deployment Guide
GLM-5.3-Flash is a 320B-parameter multimodal MoE model with 18B active params, rivaling Claude Opus 4.8 at a fraction of the cost.

GLM-5.3 vs GLM-5.2: What Post-Training Alone Changed in Coding
GLM-5.3 reuses GLM-5.2's base model but jumps ahead in coding and cyber benchmarks purely through post-training changes.

GPT 5.6 Soul Price Cut: What OpenAI's Temporary Discount Actually Means
OpenAI's flagship model gets cheaper amid rising open-weight competition. Here's what the price cut signals for API costs and the broader AI market.

GLM-5.3 Benchmarks Explained: Coding, Cyber, and Agentic Gains
GLM-5.3's post-training-only upgrade over GLM-5.2 lifts coding and cyber benchmarks sharply. Here's how it stacks up against Kimi K3 and DeepSeek-V4.

GLM-5.3 Flash vs Qwen 3.8 Flash: Which Wins on Real Coding Tasks?
Hands-on comparison of GLM-5.3 Flash and Qwen 3.8 Flash on bug fixing, HTML image recreation, and multilingual generation tests.

Hunyuan HY4: How Identity Hyper Connections and Gated DSA Work
How Tencent's Hunyuan HY4 uses identity hyper connections and gated DSA to fix information loss and speed up million-token context handling.

Qwen 3.8 Flash Next Benchmarks: Coding and Agentic Test Results
Independent KingBench tests score Qwen 3.8 Flash Next against GLM 5.3 Flash on coding, math, 3D, and agentic tasks. Here's how the numbers break down.

Hunyuan H3 Max Pricing on Fal AI: Full Cost Breakdown by Resolution
Hunyuan H3 Max pricing on Fal AI explained: promotional and post-promo rates per 5-second clip at 480p and 720p, plus how it compares to local generation.

Tencent Hy4 Preview: Inside the 770B Open-Weight Flagship Model
Tencent's Hy4 preview is a 770B MoE model with 49B active params and 1M context, beating GLM 5.3 and Kimi K3 in blind engineering tests.

GLM 5.3 Flash API Pricing: Cost Per Million Tokens Explained
GLM 5.3 Flash costs 15 cents per million input tokens, 50 cents output, and 3 cents cached input, undercutting Opus by a wide margin.

Qwen3.8-Flash-Next: Inside the Qwen 4 Architecture Preview
Qwen3.8-Flash-Next previews Qwen 4's architecture: hybrid gated-delta and sparse attention, engram embeddings, 125B params, 6B active.

Gemini 3.7 Flash Benchmarks: How Much Better Is It Than 3.6?
Gemini 3.7 Flash beats 3.6 Flash by wide margins on coding and agentic benchmarks just three weeks after launch. Here's the full breakdown.