Human Frontier
87.5
Human-calibrated frontier signal, backed by Arena-style preference evidence and separate from raw AgMoBench benchmark composite scores.
Blended Price
$20.00/M
Input Price
$10.00/M
Output Price
$50.00/M
Speed
60 tok/s
TTFT
61.86s
Axes
Filters
Providers
vlive-leaderboard · enigma_eval · claude-fable-5-high · effort high · 1 attempt · pass@1 · scale-seal · provider claude-fable-5-high · record enigma_eval:claude-fable-5-high
{
"rank": 1,
"company": "anthropic",
"benchmarkId": "enigma_eval",
"identityNote": "Scale SEAL published configuration label preserved",
"benchmarkName": "EnigmaEval"
}Evidence observed 2026-08-01
vlive-leaderboard · enigma_eval · claude-fable-5-high · effort high · 1 attempt · pass@1 · scale-seal · provider claude-fable-5-high · record enigma_eval:claude-fable-5-high
{
"rank": 1,
"company": "anthropic",
"benchmarkId": "enigma_eval",
"identityNote": "Scale SEAL published configuration label preserved",
"benchmarkName": "EnigmaEval"
}Evidence observed 2026-07-31
vlive-leaderboard · enigma_eval · claude-fable-5-high · effort high · 1 attempt · pass@1 · scale-seal · provider claude-fable-5-high · record enigma_eval:claude-fable-5-high
{
"rank": 1,
"company": "anthropic",
"benchmarkId": "enigma_eval",
"identityNote": "Scale SEAL published configuration label preserved",
"benchmarkName": "EnigmaEval"
}Evidence observed 2026-07-30
vlive-leaderboard · enigma_eval · claude-fable-5-high · effort high · 1 attempt · pass@1 · scale-seal · provider claude-fable-5-high · record enigma_eval:claude-fable-5-high
{
"rank": 1,
"company": "anthropic",
"benchmarkId": "enigma_eval",
"identityNote": "Scale SEAL published configuration label preserved",
"benchmarkName": "EnigmaEval"
}Evidence observed 2026-07-29
v2026.06 · official-100-task · Claude Fable 5 (max) · harness mini-swe-agent · effort max · 1 attempt · pass@1 · harbor:snorkel-ai/senior-swe-bench-v2026.06 · provider anthropic/claude-fable-5 · record fable-5-mini-swe · run fbe85de7c1b2b22d1cb6b0e746b610642eeeafccbd19cb4693b6101a8353e9fa
{
"taskCount": 100,
"agentGroup": "mini-swe-agent:claude-fable-5",
"basicPassAt1": 46.51162790697674,
"datasetPackage": "snorkel-ai/senior-swe-bench-v2026.06",
"publicTaskCount": 50,
"tastefulPassAt1": 29.069767441860467,
"agentDescription": "Claude Fable 5 via mini-swe-agent at adaptive-thinking effort=max (headline)",
"privateTaskCount": 50,
"upstreamProvider": "anthropic",
"upstreamRunCount": 43,
"averageAgentSteps": 158.50588235294117,
"averageOutputTokens": 290182.9529411765,
"averageTotalCostUsd": 29.373847769411764,
"averageOutputCostUsd": 14.509147647058823
}Evidence observed 2026-07-04
v2.1 · official-leaderboard · Fable 5 (xhigh) · harness claude-code@2.1.167 · effort xhigh · 5 attempts · harbor:terminal-bench/terminal-bench-2-1 · provider anthropic/claude-fable-5 · record leaderboard/submissions/2026-06-07-anthropic-claude-fable-5-xhigh-claude-code.json · run f9d0318d-30f9-5d6f-bd7f-0ad5acf780d7
{
"passAt2": 0.8978,
"passAt3": 0.918,
"passAt4": 0.9281,
"passAt5": 0.9326,
"taskCount": 89,
"actualTokens": {
"output": 9954945,
"cachedInput": 174066133,
"uncachedInput": 20480925
},
"datasetPackage": "terminal-bench/terminal-bench-2-1",
"leaderboardUrl": "https://www.tbench.ai/leaderboard/terminal-bench/2.1",
"pullRequestUrl": "https://github.com/harbor-framework/terminal-bench-2-1/pull/75",
"agentDisplayUrl": "https://claude.com/claude-code",
"modelDisplayUrl": "https://www.anthropic.com/news/claude-fable-5-mythos-5",
"actualTrialCount": 445,
"agentOrganization": "Anthropic",
"modelOrganization": "Anthropic",
"actualTotalCostUsd": 552.67,
"rewardHacksPercent": 0.22,
"accuracyStandardError": 1.16,
"submissionDownloadUrl": "https://raw.githubusercontent.com/harbor-framework/terminal-bench-2-1/main/leaderboard/submissions/2026-06-07-anthropic-claude-fable-5-xhigh-claude-code.json",
"disqualifiedTrialCount": 1,
"expectedAttemptsPerTask": 5,
"sourceFilterReasoningEffort": "xhigh",
"actualAverageTrialDurationSeconds": 579.7
}Evidence observed 2026-06-07
v2.1 · official-leaderboard · Fable 5 (high) · harness terminus-2@2.0.0 · effort high · 5 attempts · harbor:terminal-bench/terminal-bench-2-1 · provider anthropic/claude-fable-5 · record leaderboard/submissions/2026-06-05-anthropic-claude-fable-5-high-terminus-2.json · run ed9327d8-4601-5acb-a7a2-c71dfda0f5dc
{
"passAt2": 0.864,
"passAt3": 0.891,
"passAt4": 0.9079,
"passAt5": 0.9213,
"taskCount": 89,
"actualTokens": {
"output": 7412519,
"cachedInput": 56146091,
"uncachedInput": 7874199
},
"datasetPackage": "terminal-bench/terminal-bench-2-1",
"leaderboardUrl": "https://www.tbench.ai/leaderboard/terminal-bench/2.1",
"pullRequestUrl": "https://github.com/harbor-framework/terminal-bench-2-1/pull/78",
"agentDisplayUrl": "https://www.tbench.ai/news/terminus",
"modelDisplayUrl": "https://www.anthropic.com/news/claude-fable-5-mythos-5",
"actualTrialCount": 445,
"agentOrganization": "Terminal-Bench",
"modelOrganization": "Anthropic",
"actualTotalCostUsd": 438.64,
"rewardHacksPercent": 0,
"accuracyStandardError": 1.16,
"submissionDownloadUrl": "https://raw.githubusercontent.com/harbor-framework/terminal-bench-2-1/main/leaderboard/submissions/2026-06-05-anthropic-claude-fable-5-high-terminus-2.json",
"disqualifiedTrialCount": 0,
"expectedAttemptsPerTask": 5,
"sourceFilterReasoningEffort": "high",
"actualAverageTrialDurationSeconds": 697.1
}Evidence observed 2026-06-05