GPT-5.6 Terra vs MiMo-V2.6-Pro
GPT-5.6 Terra and MiMo-V2.6-Pro are closely matched at 50.8 and 49.8 on the LLM Stats Score. MiMo-V2.6-Pro is 8.3x cheaper per token.
OpenAI · Xiaomi · Updated for 2026
Which is better?
GPT-5.6 Terra and MiMo-V2.6-Pro are closely matched on the overall LLM Stats Score at 50.8 and 49.8.
In the 7 individual benchmarks reported for both models, MiMo-V2.6-Pro wins 4; this is a narrower head-to-head signal than the composite indexes.
On price, MiMo-V2.6-Pro is roughly 8.3x 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
- you process long inputs — it offers a 1,050,000 token context window
Choose MiMo-V2.6-Pro
- you value its reported benchmark strengths — it wins 4 of 7 exact shared results
- cost matters — it's about 8.3x cheaper per token
- you want the most recent training data — it shipped Sep 2026
- you need open weights you can self-host or fine-tune
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 · 18 for MiMo-V2.6-Pro
GPT-5.6 Terra outperforms in 3 benchmarks (Agents' Last Exam, ExploitBench, ExploitGym), while MiMo-V2.6-Pro is better at 4 benchmarks (DeepSWE 1.1, SEC-bench Pro, Terminal-Bench 2.1, Terminal-Bench 4.0).
MiMo-V2.6-Pro has a slight edge in benchmark performance.
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 4.6x more expensive than MiMo-V2.6-Pro ($0.43/1M tokens).
For output processing, GPT-5.6 Terra ($12.00/1M tokens) is 13.8x more expensive than MiMo-V2.6-Pro ($0.87/1M tokens).
In conclusion, GPT-5.6 Terra is more expensive than MiMo-V2.6-Pro.*
* 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 MiMo-V2.6-Pro'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 MiMo-V2.6-Pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-5.6 Terra
MiMo-V2.6-Pro
License
Usage and distribution terms
GPT-5.6 Terra is licensed under a proprietary license, while MiMo-V2.6-Pro uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
GPT-5.6 Terra was released on 2026-07-09, while MiMo-V2.6-Pro was released on 2026-09-22.
MiMo-V2.6-Pro is 3 months newer than GPT-5.6 Terra.
Jul 9, 2026
2 months ago
Sep 22, 2026
-1 days ago
2mo newerKnowledge Cutoff
When training data ends
GPT-5.6 Terra has a documented knowledge cutoff of 2026-02-16, while MiMo-V2.6-Pro'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 MiMo-V2.6-Pro's cutoff date.
Feb 2026
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Provider Availability
GPT-5.6 Terra is available from OpenAI. MiMo-V2.6-Pro is available from Xiaomi.
GPT-5.6 Terra
MiMo-V2.6-Pro
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-5.6 Terra and MiMo-V2.6-Pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-5.6 Terra vs MiMo-V2.6-Pro.