Compare any two models side-by-side

Price, context window, quality score, speed, latency and capabilities — all in one view to help you pick the right model for your workload.

Claude Opus 5Anthropic

Latest Opus — ArkLin live. claude-opus-latest routes here.

99Quality
64Speed
+52%
Weekly
GPT-5.6 SolOpenAI

OpenAI GPT-5.6 flagship — callable as gpt-5.6-sol.

98Quality
68Speed
+47%
Weekly
💰 Cost Calculator
Monthly tokens:
Claude Opus 5
$18.05
per 1.0M tokens (30% in / 70% out)
GPT-5.6 Sol
$14.44
per 1.0M tokens (30% in / 70% out)
20% cheaper
Metric
Claude Opus 5
GPT-5.6 Sol
Provider
Anthropic
OpenAI
Input price /M
$4.75
$3.80
Output price /M
$23.75
$19.00
Context window
1M tokens
1M tokens
Quality score
99
98
Speed score
64
68
Avg latency
~1200ms
~900ms
Weekly trend
+52%
+47%
Capabilities
Capability
Chat
Vision
Code
Reasoning
Claude Opus 5
GPT-5.6 Sol

🧠 AMA Recommendation

Best Quality
Claude Opus 5
Quality score 99
Best Value
GPT-5.6 Sol
20% less expensive
Fastest
GPT-5.6 Sol
Speed score 68