Claude Sonnet 4.6 vs Kimi K2.7 Code

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 Sonnet 4.6

anthropic/claude-sonnet-4-6

Kimi K2.7 Code

moonshotai/kimi-k2.7-code

input · usd / 1m tok$3.00$0.95
output · usd / 1m tok$15.00$4.00
context window1mtokens262.14ktokens
modalities · in → out

takes text and image in, gives text out

takes text and image in, gives text out

pricing

base api rates by model
base api rates · usd per 1m tokensClaude Sonnet 4.6

anthropic/claude-sonnet-4-6

Kimi K2.7 Code

moonshotai/kimi-k2.7-code

input$3.00$0.95
output$15.00$4.00
cache read$0.30$0.19
cache write · default ttl$3.75not published
cache write · 1h ttl$6.00not published

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

specifications

published specifications by model
as publishedClaude Sonnet 4.6

anthropic/claude-sonnet-4-6

Kimi K2.7 Code

moonshotai/kimi-k2.7-code

creatorAnthropicMoonshot AI
model typeText generationText generation
context window1,000,000tokens262,144tokens
input

takes text and image in, gives text out

takes text and image in, gives text out

outputtexttext
tool callingnot verifiednot verified
releasedfeb 17, 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 Sonnet 4.6

anthropic/claude-sonnet-4-6

high effort

Kimi K2.7 Code

moonshotai/kimi-k2.7-code

no benchmarks yet

intelligence index · gateway rank24.7#49 of 90not measured
omniscience-3.5#42 of 86not measured
gpqa79.9%#63 of 88
not measured
humanity’s last exam13.3%#66 of 89
not measured
harvey lab84.4%
not measured
tau279.5%
not measured
mmmu-pro70.6%
not measured
aa-lcr68.3%
not measured
terminal-bench hard46.2%
not measured
ifbench41.2%
not measured
multilingual lcr20.0%
not measured
critpt0.9%
not measured

Claude Sonnet 4.6 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 Sonnet 4.6

anthropic/claude-sonnet-4-6

estimated usage cost

$10.50

1,000 requests × (1,000 uncached input × $3.00 + 500 output × $15.00) / 1,000,000 = $10.50

base rates; no context pricing tiers are published.

Kimi K2.7 Code

moonshotai/kimi-k2.7-code

estimated usage cost

$2.95

1,000 requests × (1,000 uncached input × $0.95 + 500 output × $4.00) / 1,000,000 = $2.95

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 Sonnet 4.6 and Kimi K2.7 Code are available through the Impossibl API. they share the /v1/chat/completions endpoint; the model identifier selects the model for a request.

Claude Sonnet 4.6 is created by Anthropic. It has a 1,000,000-token context window. Base API pricing (USD): $3.00 per million input tokens; $15.00 per million output tokens.

Kimi K2.7 Code is created by Moonshot AI. It has a 262,144-token context window. Base API pricing (USD): $0.95 per million input tokens; $4.00 per million output tokens.

Claude Sonnet 4.6Kimi K2.7 Code

this page compares Claude Sonnet 4.6 vs Kimi K2.7 Code 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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