GPT-6.1 Terra (Max) from OpenAI and Muse Wonder (Max) from Meta are both tracked in Franklin AI's benchmark catalogue. What follows is built entirely from tracked data, so where the catalogue is silent, this page says so instead of guessing. The clearest gap is on the bill: Muse Wonder Max is 4 times the blended price of GPT-6.1 Terra Max.
Cost: GPT-6.1 Terra Max is cheaper
Per million tokens, GPT-6.1 Terra Max charges $1.00 for input and $5.00 for output, while Muse Wonder Max charges $4.00 and $20.00. Muse Wonder Max costs 4 times as much per output token.
Take 1 million input tokens and 200,000 output tokens: that comes to $2.00 on GPT-6.1 Terra Max and $8.00 on Muse Wonder Max. A bigger example, classifying 100,000 short messages at 150 input tokens and 5 output tokens each, costs $17.50 on GPT-6.1 Terra Max and $70.00 on Muse Wonder Max: a gap of $52.50.
Muse Wonder Max is the faster writer
GPT-6.1 Terra Max generates about 114 tokens per second and Muse Wonder Max about 134 tokens per second. On long outputs, that is a real advantage for Muse Wonder Max. Time to first token is 6.2 minutes for GPT-6.1 Terra Max and 26 seconds for Muse Wonder Max. GPT-6.1 Terra Max waits 14 times as long before its first token. Waits that long are felt on every chat-style request, though they matter less for batch jobs.
Add the two numbers up for a 600-token reply and Muse Wonder Max finishes first: 6.3 minutes for GPT-6.1 Terra Max, 30 seconds for Muse Wonder Max.
When they came out
Muse Wonder Max came first, on October 12, 2026; GPT-6.1 Terra Max followed on October 26, 2026. They are effectively contemporaries.
GPT-6.1 Terra Max leads on the intelligence index
The catalogue puts GPT-6.1 Terra Max at 51.3 and Muse Wonder Max at 43.6 on its intelligence index. It is a meaningful gap rather than a rounding difference.
Across the 109 active models with an intelligence score in the catalogue, GPT-6.1 Terra Max ranks 14th and Muse Wonder Max ranks 28th.
For coding or maths work specifically, the catalogue has no dedicated index on either side yet.
Score per dollar
A blunt value measure, blended price over intelligence score, puts GPT-6.1 Terra Max at $0.039 and Muse Wonder Max at $0.18 per point. With the higher score and the lower cost per point, GPT-6.1 Terra Max is the better value per point on these numbers.

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