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TokenMath.net
Updated 2026-09-22 11:16 UTC
Head-to-Head Specification Battle

Claude Fable 5.1 vs Command R+ (08-2024)

Side-by-side technical and economic comparison between Anthropic's Claude Fable 5.1 and Cohere's Command R+ (08-2024).

Endpoint Availability & Transition Notice

Command R+ (08-2024): Classified as a Legacy Reference model (Tracked Legacy (Predecessor to Command A)).

Core Technical & Pricing Comparison
MetricClaude Fable 5.1Command R+ (08-2024)Advantage
Provider OrganizationAnthropicCohere
Standard Input / 1M$10.00$2.50Command R+ (08-2024) (75% lower)
Cached Input / 1M$0.25$0.25Command R+ (08-2024) lower
Output / 1M$50.00$10.00Command R+ (08-2024) lower
Context Window1M128kClaude Fable 5.1 (1M)
Max Generation Tokens32k4.1kClaude Fable 5.1
Tokenizer FamilyAnthropic Claude BPE (~65k vocabulary)Cohere BPE (~256k vocabulary)

Interactive Side-by-Side Cost Simulator

Live Delta
Input Tokens / Req2,500
Output Tokens / Req800
Daily Requests10,000
Claude Fable 5.1
$15,843.75 / month
$0.0528 / request
Command R+ (08-2024)LOWER COST
$3,431.25 / month
$0.0114 / request
Selecting Command R+ (08-2024) saves $12,412.50 / month (78.3% savings) over Claude Fable 5.1.

When to Choose Claude Fable 5.1

Opt for Claude Fable 5.1 when your engineering requirements prioritize Anthropic's ecosystem, specific tokenizer efficiencies (Calibrated Claude Tokenizer (±3%)), or when your expected prompt-to-completion ratios favor its $10/M input rate.

When to Choose Command R+ (08-2024)

Opt for Command R+ (08-2024) when looking for Cohere's tooling integration, specific context window depth (128k tokens), or when output generation volume favors its $10/M rate.