Expired50% confidenceBenchmarkExact time
According to the UP host's own testing, Claude Opus 5.5 surpasses GPT-6 Astra on coding tasks, and the cost to achieve the same results is only approximately 1% of that of the competitor.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/1/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/15/2026(expired)
Sources
Related Entities
Related Claims
UnverifiedOpus 5.5 is less token-efficient than Opus 5: Opus 5's max tier uses 73k tokens per task, Fable uses 78k, Opus 5.5's max tier approaches 120k tokens, while GPT-6 Astra only requires 27k.78% similarUnverifiedCompared to GPT-6 Astra, SWE-2's score trails by a few percentage points, but its cost is only one-quarter of the latter's.76% similarUnverifiedClaude Opus 5 approaches Fable-level performance on the FrontierCode 1.1 benchmark while costing only half as much74% similarUnverifiedOpus 5's pass rate at Low Effort is approximately 60%, surpassing Opus 4.8's 59% at the Max level, for which the per-task cost is as high as $13.74% similarUnverifiedIn security alignment testing, GPT-5.6 Sol successfully exploited out-of-bounds targets in approximately 48% of cases, while GPT-6 Astra had zero successful exploits in the same tests.73% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/965292API
curl https://kongchang.com/api/v1/knowledge/claims/965292MCP
get_claim(id=965292)