GPT-5.6 Terra vs Muse Wonder
GPT-5.6 Terra and Muse Wonder are closely matched at 49.4 and 47.9 on the LLM Stats Score. GPT-5.6 Terra is 1.8x cheaper per token.
OpenAI · Meta · Updated for 2026
Which is better?
GPT-5.6 Terra and Muse Wonder are closely matched on the overall LLM Stats Score at 49.4 and 47.9.
In the 4 individual benchmarks reported for both models, Muse Wonder wins 3; this is a narrower head-to-head signal than the composite indexes.
On price, GPT-5.6 Terra is roughly 1.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.6 Terra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-5.6 Terra
- cost matters — it's about 1.8x cheaper per token
- you process long inputs — it offers a 1,050,000 token context window
Choose Muse Wonder
- you value its reported benchmark strengths — it wins 3 of 4 exact shared results
- you want the most recent training data — it shipped Oct 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
45 reported for GPT-5.6 Terra · 16 for Muse Wonder
GPT-5.6 Terra outperforms in 1 benchmarks (Artificial Analysis), while Muse Wonder is better at 3 benchmarks (DeepSWE 1.1, GDP.pdf, HealthBench Professional).
Muse Wonder shows notably better performance in the majority of benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.6 Terra ($2.00/1M tokens) is 2.0x cheaper than Muse Wonder ($4.00/1M tokens).
For output processing, GPT-5.6 Terra ($12.00/1M tokens) is 1.7x cheaper than Muse Wonder ($20.00/1M tokens).
In conclusion, Muse Wonder is more expensive than GPT-5.6 Terra.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.6 Terra accepts 1,050,000 input tokens compared to Muse Wonder's 1,048,576 tokens. Only GPT-5.6 Terra specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
Both GPT-5.6 Terra and Muse Wonder support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.6 Terra
Muse Wonder
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-5.6 Terra was released on 2026-07-09, while Muse Wonder was released on 2026-10-12.
Muse Wonder is 3 months newer than GPT-5.6 Terra.
Jul 9, 2026
3 months ago
Oct 12, 2026
0 days ago
3mo newerKnowledge Cutoff
When training data ends
GPT-5.6 Terra has a documented knowledge cutoff of 2026-02-16, while Muse Wonder's cutoff date is not specified.
We can confirm GPT-5.6 Terra's training data extends to 2026-02-16, but cannot make a direct comparison without Muse Wonder's cutoff date.
Feb 2026
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Provider Availability
GPT-5.6 Terra is available from OpenAI. Muse Wonder is available from Meta Model API.
GPT-5.6 Terra
Muse Wonder
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5.6 Terra and Muse Wonder side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5.6 Terra vs Muse Wonder.