On the headline score, Anthropic's Claude Opus 5 (Max) and OpenAI's GPT-6 Sol (Max) are almost level. All numbers are the catalogue's recorded values; nobody ran either model by hand for this page. GPT-6 Sol Max streams output at about 127 tokens per second, 2.5 times the rate of Claude Opus 5 Max.
Speed and latency
Once a response is under way, Claude Opus 5 Max produces roughly 50 tokens per second against 127 tokens per second for GPT-6 Sol Max. GPT-6 Sol Max is ahead by 155% on throughput. The wait for the first token averages 62 seconds on Claude Opus 5 Max against 91 seconds on GPT-6 Sol Max. So the two pull in opposite directions, with Claude Opus 5 Max quicker off the mark and GPT-6 Sol Max quicker once it gets going; the crossover is around 2,400 tokens. A first-token wait of that length suits background work better than live conversation.
For a 1,000-token response, first token plus generation comes to roughly 82 seconds on Claude Opus 5 Max and 99 seconds on GPT-6 Sol Max.
Benchmark scores
Claude Opus 5 Max scores 44.2 on the intelligence index and GPT-6 Sol Max scores 44.2. A gap that small is inside the range where one aggregate cannot name a winner.
Among 109 active scored models, Claude Opus 5 Max sits 26th and GPT-6 Sol Max 26th.
Neither model has a separate coding or math index recorded yet, so those narrower comparisons will have to wait for more data.
Cost: GPT-6 Sol Max is cheaper
Claude Opus 5 Max lists $5.00 per million input tokens and $25.00 per million output tokens; GPT-6 Sol Max lists $2.00 and $10.00. For output tokens, Claude Opus 5 Max is 2.5 times the price of GPT-6 Sol Max.
A reference job of 1 million input tokens and 200,000 output tokens costs $10.00 with Claude Opus 5 Max and $4.00 with GPT-6 Sol Max, so GPT-6 Sol Max saves $6.00. Scale it up to classifying 100,000 short messages at 150 input tokens and 5 output tokens each and the bill is $87.50 for Claude Opus 5 Max against $35.00 for GPT-6 Sol Max. Blended at three input tokens per output token, the effective rates are $10.00 for Claude Opus 5 Max and $4.00 for GPT-6 Sol Max.
When they came out
GPT-6 Sol Max arrived on September 22, 2026, about 2 months after Claude Opus 5 Max (July 24, 2026).
Value for money
A blunt value measure, blended price over intelligence score, puts Claude Opus 5 Max at $0.23 and GPT-6 Sol Max at $0.090 per point. With scores this close, GPT-6 Sol Max is simply the cheaper way to buy the same capability.

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