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Directory · Model comparison

Claude Fable 5 vs Devstral 2

Side-by-side API economics and benchmarks. Per-1M input and output rates, context window, and verified metrics.

Tale of the tape

Head-to-head specs pulled from each model profile.

Metric Claude Fable 5 Devstral 2
Input cost / 1M $10.00 $0.40
Output cost / 1M $50.00 $2.00
Context window 1,000,000 tokens 256,000 tokens
MMLU score

Cost verdict

Enter monthly input and output volumes to see total cost savings.

Claude Fable 5

Input: 1M × $10.00 = $10.00
Output: 1M × $50.00 = $50.00
Total
$60.00

Devstral 2

Input: 1M × $0.40 = $0.40
Output: 1M × $2.00 = $2.00
Total
$2.40

Total cost savings

$57.60

Devstral 2 saves $57.60 per month vs the other model at this volume.

Model routing savings

Uses this page's verified rates. Claude Fable 5 is the premium route (higher combined per-1M cost); Devstral 2 handles routine traffic.

Premium model

Claude Fable 5

$10.00 in · $50.00 out / 1M

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Economical model

Devstral 2

$0.40 in · $2.00 out / 1M

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All premium

Claude Fable 5

$3,000.00

100% of input and output on the premium route

Routed stack

80%Devstral 2

Claude Fable 5

$696.00

Routine slice
$96.00
Premium slice
$600.00

Monthly savings

$2,304.00

76.8% lower

Rates pulled from this page's model database entries (claude-fable-5, devstral-2) — same per-1M input/output figures as Tale of the tape. Production routing needs quality gates and monitoring.

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