ai-trend-notifier

$ diff deepseek-v4 claude-fable-5

DeepSeek V4 vs Claude Fable 5

DeepSeek and Anthropic, side by side. Every value below is the one recorded on the model’s own wiki page, with its citation — nothing is estimated.

What actually differs

Context window
Identical — both accept 1M tokens, so context length is not a reason to pick either.
Weights
DeepSeek V4 publishes weights (MIT (open-weight)); Claude Fable 5 is API-only. That decides self-hosting, air-gapped deployment and fine-tuning before any capability question does.
Recency
DeepSeek V4 shipped 37 days after Claude Fable 5 (2026-07-16 vs 2026-06-09).

Full spec

AttributeDeepSeek V4Claude Fable 5
DeveloperDeepSeekAnthropic
Released2026-07-162026-06-09
Context window1M tokens (384K max output)1M tokens
PricingPeak: 2× off-peak API rates; off-peak rates not disclosed$10/M input · $50/M output
LicenseMIT (open-weight)proprietary (API-only; no weight release)
AvailabilityDeepSeek API, Hugging Face (deepseek-ai/DeepSeek-V4-Pro)Claude.ai, Claude API, AWS Bedrock, GitHub Copilot, Google Cloud Vertex AI

Values come from DeepSeek V4 and Claude Fable 5, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing. How these pages are produced.

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