MODEL COMPARISON

Claude Opus 5 launched July 24, 2026 at $5/$25 per MTok - matching Opus 4.8 pricing while delivering near-Fable 5 intelligence. Full benchmark comparison across 7 evals, pricing breakdown, and decision guide.

OpenAI's GPT-5.6 Sol, Terra, and Luna tiers versus Anthropic's Claude Fable 5 and Mythos 5. Verified pricing, benchmarks, and a practical framework for picking a coding model in July 2026.

Comparing LLMs by token pricing alone can lead you to choose worse, more expensive models. Cost per task tells the real story.

Fable 5 and Mythos 5 are gone for now. Here is the honest ranking of what to use today, from Opus 4.8 to GPT-5.5 to open-weight models, by task.

Benchmarks are useful, but frontend work fails in places leaderboards barely measure. Here is how Web Dev Arena turns AI model comparison into a practical UI evaluation workflow.