Claude Opus 4.8 (Adaptive Reasoning, Max Effort)

Anthropic

Frontier ModelReasoningVision ModelProprietary

Analysis of Anthropic's Claude Opus 4.8 (Adaptive Reasoning, Max Effort) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.

Context

Release Date: May 28, 2026
Window: 1M

PricingPer 1M tokens

Input: $5
Output: $25
Blended 3:1: $10

Capabilities

Speed: 58 t/s
Input
Output
Reasoning tokens

Latency

TTFT: 18.25 ms
500 token response: 26.81 s

Benchmarks

Reasoning: ●●●○○
Coding: ●●●○○
GPQA: 92.0%
HLE: 45.7%
SciCode: 53.5%

Analysis of Anthropic's Claude Opus 4.8 (Adaptive Reasoning, Max Effort) and comparison to other AI models across key metrics including quality, price, performance (tokens per second & time to first token), context window & more.