Claude Fable 5.1 vs MiMo V2.5 Pro

rates, context and capabilities side by side on the impossibl api, and what the same workload costs on each.

the models at a glance: base rates, context window and modalities
specificationClaude Fable 5.1

anthropic/claude-fable-5-1

MiMo V2.5 Pro

xiaomi/mimo-v2.5-pro

input · usd / 1m tok$10.00$0.435
output · usd / 1m tok$50.00$0.87
context window1mtokens1.02mtokens
modalities · in → out

takes text and image in, gives text out

takes text in, gives text out

pricing

base api rates by model
base api rates · usd per 1m tokensClaude Fable 5.1

anthropic/claude-fable-5-1

MiMo V2.5 Pro

xiaomi/mimo-v2.5-pro

input$10.00$0.435
output$50.00$0.87
cache read$0.25$0.004
cache write · default ttl$12.50not published
cache write · 1h ttl$20.00not published

the estimate below prices one workload at these rates on every model.

specifications

published specifications by model
as publishedClaude Fable 5.1

anthropic/claude-fable-5-1

MiMo V2.5 Pro

xiaomi/mimo-v2.5-pro

creatorAnthropicXiaomi
model typeText generationText generation
context window1,000,000tokens1,024,000tokens
input

takes text and image in, gives text out

takes text in, gives text out

outputtexttext
tool callingnot verifiednot verified
releasedsep 1, 2026not published
endpoint/v1/chat/completions/v1/chat/completions

unknown means the public catalog does not establish that fact. a model's documented capabilities can differ from what a particular api supports. see the model documentation for integration details.

benchmarks

benchmark scores by model, primary tested configuration
primary configurationClaude Fable 5.1

anthropic/claude-fable-5-1

default fallback

MiMo V2.5 Pro

xiaomi/mimo-v2.5-pro

no benchmarks yet

intelligence index · gateway rank53.4#1 of 90not measured
coding index81.6#1 of 60not measured
agentic index58.0#1 of 49not measured
omniscience43.5#1 of 86not measured
gpqa93.7%#7 of 88
not measured
humanity’s last exam59.1%#1 of 89
not measured
terminal-bench v2.191.4%#1 of 57
not measured
harvey lab93.0%
not measured
aa-lcr85.3%
not measured
multilingual lcr71.1%
not measured
scicode63.1%
not measured
automationbench partial59.4%
not measured
analystagent57.5%
not measured
terminal-bench v4.052.0%
not measured
tau banking47.2%
not measured
critpt29.7%
not measured
gdp.pdf all-pass26.2%
not measured

Claude Fable 5.1 source ↗

each column describes the tested configuration named under the model; performance and costs can differ on impossibl. a score one model was not measured on is left blank rather than scored zero. indices are ranked against every model on the gateway with one. last checked 2026-09-11.

estimate your cost

one token workload, priced on every model at the published rates, in usd. change the numbers to match yours.

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

anthropic/claude-fable-5-1

estimated usage cost

$35.00

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.

MiMo V2.5 Pro

xiaomi/mimo-v2.5-pro

estimated usage cost

$0.87

1,000 requests × (1,000 uncached input × $0.435 + 500 output × $0.87) / 1,000,000 = $0.87

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.

summary

Claude Fable 5.1 and MiMo V2.5 Pro are available through the Impossibl API. they share the /v1/chat/completions endpoint; the model identifier selects the model for a 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.

MiMo V2.5 Pro is created by Xiaomi. It has a 1,024,000-token context window. Base API pricing (USD): $0.435 per million input tokens; $0.87 per million output tokens.

Claude Fable 5.1MiMo V2.5 Pro

this page compares Claude Fable 5.1 vs MiMo V2.5 Pro as listed by the impossibl public api. prices and availability come from that catalog, refreshed here every five minutes. this is an impossibl offering, not a comparison of independent hosting-provider quotes.

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