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Claude Fable 5.1 vs Muse Glimmer 30B

compare api pricing, context windows, and capabilities side by side.

use the same workload to understand the cost before choosing a model.

prices are published impossibl api usage rates in usd. compare the billing units and context tiers alongside each price. unpublished capabilities are marked explicitly.

model pricing, capabilities, context limits, and retirement dates
specificationClaude Fable 5.1

anthropic/claude-fable-5-1

Muse Glimmer 30B

meta/muse-glimmer-30b

creatorAnthropicMeta
model typeText generationText generation
input modalitiestext, imagetext, image
output modalitiestexttext
base input price$10.00 / 1m tokens$0.35 / 1m tokens
base output price$50.00 / 1m tokens$1.50 / 1m tokens
cached input price$0.25 / 1m tokens$0.04 / 1m tokens
cache creation price$12.50 / 1m tokensnot published
1h cache creation price$20.00 / 1m tokensnot published
context window1m tokens131.07k tokens
tool callingnot publishednot published
context pricing tiersnone publishednone published
endpoints
  • /v1/chat/completions
  • /v1/chat/completions
retirementnot announcednot announced

estimate your api cost

estimate text token usage across the same workload. all amounts are in usd.

token workload

total input, including cached tokens

include billable reasoning tokens

the same token usage in each request

a subset of total input, never additional tokens

Claude Fable 5.1

$35.00

estimated usage cost

1,000 requests × (1,000 uncached input × $10.00 + 500 output × $50.00) / 1,000,000 = $35.00

base rates; no context pricing tiers are published.

Muse Glimmer 30B

$1.10

estimated usage cost

1,000 requests × (1,000 uncached input × $0.35 + 500 output × $1.50) / 1,000,000 = $1.10

base rates; no context pricing tiers are published.

estimates use published impossibl api usage rates. configured billing adjustments, funding fees, taxes, and custom workspace rates are excluded and may change the final amount.

image and audio usage, cache creation, and additional tool charges are excluded. reasoning tokens count as billable output, even when they are not visible in the response.

Claude Fable 5.1 vs Muse Glimmer 30B: side-by-side summary

Claude Fable 5.1 and Muse Glimmer 30B are available through the Impossibl API. They share the /v1/chat/completions endpoint. Set the model identifier to select the model for a supported request.

Claude Fable 5.1 is created by Anthropic. It has a 1,000,000-token context window. Base API pricing (USD): $10.00 per million input tokens; $50.00 per million output tokens.

Muse Glimmer 30B is created by Meta. It has a 131,072-token context window. Base API pricing (USD): $0.35 per million input tokens; $1.50 per million output tokens.

context window

  • Claude Fable 5.1: 1,000,000 tokens
  • Muse Glimmer 30B: 131,072 tokens

price

  • Claude Fable 5.1: Base API pricing (USD): $10.00 per million input tokens; $50.00 per million output tokens.
  • Muse Glimmer 30B: Base API pricing (USD): $0.35 per million input tokens; $1.50 per million output tokens.

created by

  • Claude Fable 5.1: Anthropic
  • Muse Glimmer 30B: Meta