Unverified50% confidenceBenchmarkExact time
Because Sonnet 5 burns through tokens aggressively, its actual total cost to complete tasks is even higher than that of Astra.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/12/2026
First Seen
Valid until: 10/26/2026
Sources
Related Entities
Related Claims
UnverifiedDue to high token consumption, Sonnet 5.5's per-task cost is nearly on par with Fable 5.1.75% similarUnverifiedIn advanced coding scenarios, Sonnet 5.5 reaches 49.4% at the Hi effort level, drops to 46.2% at the Max tier, and costs surge from 42 cents to 21 dollars.72% similarPartially VerifiedOpus 5.5 produced approximately 49% more output tokens than Sonnet 5.5, with an equivalent API cost that was nearly half again as expensive.67% similarUnverifiedIn the deep audit benchmark, Sonnet 5.5's cost is approximately half that of Opus, its score is slightly higher than Opus, and it takes about 5 minutes (roughly half the time Opus takes).67% similarUnverifiedUnder the premise of identical task completion quality, the Astra solution costs $0.43 per task while the DeepSeek V4.1-Flash solution costs $6.52 per task, a difference of more than 15 times.66% similar
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