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Claude Opus 5.5

Anthropic · claude-opus-5-5

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Claude model for long-running agentic coding and knowledge work

Specification

anthropic listing

Context
1M
Max output
128K
Released
2026-09-22
Knowledge cutoff
2026-06
Retires
2027-09-18
Open weights
no
Input
text, image, pdf
Output
text

Price

US dollars per million tokens · anthropic list price

Input
$4.00
Output
$20.00
Cache read
$0.20
Cache write
$5.00

Batch and priority prices

US dollars per million tokens · per listing

PriceListing$/M
Batch inputanthropic$2.00
Batch inputvertex_ai-anthropic_models$2.50
Batch outputanthropic$10.00
Batch outputvertex_ai-anthropic_models$12.50
Cache write, 1 hourbedrock_converse$8.00
Cache write, 1 hourbedrock_converse · us$8.80
Cache write, 1 hourbedrock$9.60

Batch input is 50% below the interactive input price at the same listing.

Quality

15 benchmarks · 2 sources

Composite
95th
percentile of 344 scored models
Rank
18 / 344
±0.07 sd
Evidence
15 × 2
3 or more benchmarks, from 2 or more sources
Effort range
1.1
points between effort settings
coding99th1/3 bench
reasoning99th4/4 bench
math98th3/7 bench
knowledge95th1/1 bench
general96th1/1 bench

By reasoning effort

every setting placed on the same scale as the leaderboard

SettingCompositeBenchmarks behind it
max95th14
xhigh95th1

Every score

one row per source and configuration — nothing averaged away

BenchmarkScoreConfigurationSourceRun
Mystery Game Puzzles71.0 ±4.6maxEpoch AI2026-09-29
Furniture Assembly83.3 ±4.7maxEpoch AI2026-09-22
FrontierMath-Tier-4-v295.0 ±4.1maxEpoch AI2026-09-22
Chess Puzzles67.0 ±4.7maxEpoch AI2026-10-13
EBR-bench71.4 ±7.1maxEpoch AI2026-09-22
SimpleQA Verified72.2 ±1.4maxEpoch AI2026-09-22
FrontierMath-Tiers-1-3-v291.2 ±1.7maxEpoch AI2026-09-22
MirrorCode77.4 ±8.3maxEpoch AI2026-09-22
LiveBench83.2max · 23 runsLiveBench2026-06-25
↳82.1xhigh · 23 runsLiveBench2026-06-25
Settings differ by 1.1 points on this benchmark.
OTIS Mock AIME 2024-2025100.0 ±0.0maxEpoch AI2026-09-22
FrontierMath-Erdos2.9 ±2.1maxEpoch AI2026-09-24
GPQA diamond90.6 ±1.9maxEpoch AI2026-09-22
SpireClimb (Slay the Spire 2, Ascension 10)6.7 ±2.9maxEpoch AI2026-09-23
SpireClimb3.3 ±1.4maxEpoch AI2026-09-24
SpireClimb (Slay the Spire 1, Ascension 20 Heart)0.0 ±0.0maxEpoch AI2026-09-24

The leading figure for a benchmark is the median across its configurations, so one heroic high-effort run cannot set the number.

Available from 79 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
anthropicvendor$4.00$20.00$0.20$5.001M128K—
apiko$0.8999$4.4996$0.045—1M32K—
jzstoken$1.17$5.84$0.1168$1.461M128K—
teapot-router$1.40$7.00——1M128K—
void-api$1.50$6.00$0.1338$1.86181M128K—
xxapi$1.538$7.692$0.0769$1.9231M128K—
aigrow$1.60$8.00$0.20$3.201M128K—
infer · low-cost$1.97$9.81$0.10$2.461M128K—
iteracompute$2.00$10.00$0.10$2.501M128K—
outerlabs$2.40$12.00$0.12$3.001M128K—
korouter$2.60$13.00$0.13$3.251M128K—
kunavo$2.80$14.00$0.14$3.501M128K—
302ai$4.00$20.00$0.20$5.001M128K—
aihubmix$4.00$20.00$0.20$5.001M128K—
aimlapi$4.00$20.00$0.20$5.001M128K—
aixy$4.00$20.00$0.20$5.001M128K—
amazon-bedrock$4.00$20.00$0.20$5.001M128K—
amazon-bedrock · global$4.00$20.00$0.20$5.001M128K—
azure$4.00$20.00$0.20$5.001M128K—
azure_ai$4.00$20.00$0.20$5.001M128K2027-09-18
azure-cognitive-services$4.00$20.00$0.20$5.001M128K—
bedrock_converse$4.00$20.00$0.20$5.001M128K—
bedrock_converse · global$4.00$20.00$0.20$5.001M128K—
boundless$4.00$20.00$0.20—1M128K—
cloudflare-ai-gateway$4.00$20.00$0.20$5.001M128K—
commandcode$4.00$20.00$0.20$5.001M128K—
crossmodel$4.00$20.00$0.20$5.001M128K—
databricks$4.00$20.00$0.20$5.001M128K—
edenai$4.00$20.00$0.20$5.001M128K—
fastrouter$4.00$20.00$0.20$5.001M128K—
frogbot$4.00$20.00$0.20$5.001M128K—
github_copilot · github-copilot$4.00$20.00$0.20$5.00200K128K—
github-copilot$4.00$20.00$0.20$5.001M128K—
kilo$4.00$20.00$0.20$5.001M128K—
llmgateway$4.00$20.00$0.20$5.001M128K—
llmgateway-providers$4.00$20.00$0.20$5.001M128K—
llmgateway-providers · aws-bedrock$4.00$20.00$0.20$5.001M128K—
llmgateway-providers · azure-anthropic$4.00$20.00$0.20$5.001M128K—
merge-gateway$4.00$20.00$0.20$5.001M128K—
nano-gpt$4.00$20.00$0.20$5.001M128K—
nearai$4.00$20.00$0.20—1M128K—
neon$4.00$20.00$0.20$5.001M128K—
ofox$4.00$20.00$0.20$5.001M128K—
opencode$4.00$20.00$0.20$5.001M128K—
openrouter$4.00$20.00$0.20$5.001M128K—
perplexity$4.00$20.00$0.20————
perplexity-agent$4.00$20.00$0.20$5.001M128K—
prime$4.00$20.00——1M128K—
replicate · replicate$4.00$20.00—————
requesty$4.00$20.00$0.20$5.001M128K—
sparrowcodes$4.00$20.00$0.20—1M128K—
standardcompute$4.00$20.00$0.20$5.001M50K—
synthorai$4.00$20.00$0.20$5.001M128K—
teamorouter$4.00$20.00$0.20$5.001M128K—
venice$4.00$20.00$0.20$5.001M128K—
vercel$4.00$20.00$0.20$5.001M128K—
vertex_ai-anthropic_models$4.00$20.00$0.20$5.001M128K—
vivgrid$4.00$20.00$0.20$5.001M128K—
zenmux$4.00$20.00$0.20$5.001M128K—
bumo$4.24$21.20$0.212$5.301M128K—
cortecs$4.399$21.998$0.219$5.501M128K—
amazon-bedrock · au$4.40$22.00$0.22$5.501M128K—
amazon-bedrock · eu$4.40$22.00$0.22$5.501M128K—
amazon-bedrock · jp$4.40$22.00$0.22$5.501M128K—
amazon-bedrock · us$4.40$22.00$0.22$5.501M128K—
bedrock_converse · apac$4.40$22.00$0.22$5.501M128K—
bedrock_converse · au$4.40$22.00$0.22$5.501M128K—
bedrock_converse · eu$4.40$22.00$0.22$5.501M128K—
bedrock_converse · jp$4.40$22.00$0.22$5.501M128K—
bedrock_converse · us$4.40$22.00$0.22$5.501M128K—
bedrock_mantle · bedrock-mantle
$4.40
$4.80
$22.00
$24.00
$0.22
$0.24
$5.50
$6.00
1M128K—
lowrouter · auto$4.40$22.00$0.22$5.501M128K—
bedrock
$4.80
$4.00
$24.00
$20.00
$0.24
$0.20
$6.00
$5.00
1M128K—
ruapi$4.80$24.00$0.24$6.001M128K—
dothoosh$5.1333$25.6667$0.2567$6.41671M128K—
kyma · kyma$5.40$27.00$0.27—1M128K—
gisoo$5.60$28.00$0.28—1M128K—
hubris$6.117$30.5848$0.3059$7.64621M128K—
steadyrouter————1M128K—

Price history

append-only observations · a listing writes a row only when its price moves

DateHostField$/M
2026-09-23bedrockCache read$0.24
2026-10-25bedrockCache read$0.24
2026-09-23bedrock_converseCache read$0.20
2026-09-24bedrock_converseCache read$0.22
2026-09-25bedrock_converseCache read$0.20
2026-09-23openrouterCache read$0.20
2026-10-10openrouterCache read$0.20
2026-09-23requestyCache read$0.50
2026-09-26requestyCache read$0.20
2026-09-23veniceCache read$0.24
2026-10-15veniceCache read$0.20
2026-09-23bedrockCache write$6.00
2026-10-25bedrockCache write$6.00
2026-09-23bedrock_converseCache write$5.00
2026-09-24bedrock_converseCache write$5.50
2026-09-25bedrock_converseCache write$5.00
2026-09-23openrouterCache write$5.00
2026-10-10openrouterCache write$5.00
2026-09-23requestyCache write$6.25
2026-09-26requestyCache write$5.00
2026-09-23veniceCache write$6.00
2026-10-15veniceCache write$5.00
2026-09-23bedrockInput$4.80
2026-10-25bedrockInput$4.80
2026-09-23bedrock_converseInput$4.00
2026-09-24bedrock_converseInput$4.40
2026-09-25bedrock_converseInput$4.00
2026-09-23openrouterInput$4.00
2026-10-10openrouterInput$4.00
2026-09-23requestyInput$5.00
2026-09-26requestyInput$4.00
2026-09-23veniceInput$4.80
2026-10-15veniceInput$4.00
2026-09-23bedrockOutput$24.00
2026-10-25bedrockOutput$24.00
2026-09-23bedrock_converseOutput$20.00
2026-09-24bedrock_converseOutput$22.00
2026-09-25bedrock_converseOutput$20.00
2026-09-23openrouterOutput$20.00
2026-10-10openrouterOutput$20.00
2026-09-23requestyOutput$25.00
2026-09-26requestyOutput$20.00
2026-09-23veniceOutput$24.00
2026-10-15veniceOutput$20.00
2026-10-13aimlapiCache read$0.26
2026-10-23aimlapiCache read$0.20
2026-10-13aimlapiInput$5.20
2026-10-23aimlapiInput$4.00
2026-10-13aimlapiOutput$26.00
2026-10-23aimlapiOutput$20.00
2026-10-21aimlapiCache write$6.50
2026-10-23aimlapiCache write$5.00

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