OpenAI
GPT-5.6 Terra
Mid-tier GPT-5.6 model balancing intelligence with very high throughput.
Intelligence
66.4 #191
AAQI 55.0
Output Speed
127 t/s
TTFT 172 ms · ITL 7.9 ms/tok
Blended price (3:1)
$4.5 /1M
In $2/M · Out $12/M
Context
1.1M
≈ 2,750 A4 pages · max out 16,384
Quality Domain Radar
6-Axis Frontier Evaluation vs Category Average & Flagship
GPT-5.6 Terra
Claude Mythos Preview (#1)
Average (68)
Radar axes are approximated from category scores where direct benchmark measurements are missing — see Methodology.
API deployment
Compare hosts & latency
Throughput, TTFT and cache pricing across Groq, Cerebras, Together, DeepInfra, Fireworks, Bedrock and Azure.
GroqCerebrasTogether AIDeepInfraFireworks AIAWS BedrockAzure AI
Groq
Cerebras
Together AI
DeepInfra
Fireworks AI
AWS Bedrock
Azure AIScores by Source
Category Scores
Benchmark Results
Model Details
Release date
Jul 8, 2026
Parameters
Not disclosed
License
Proprietary
Context Window
1,100,000 tokens
Input Price
$2/M
Output Price
$12/M
Output Speed
127 t/s
Time to First Token
172 ms
Estimated monthly bill
Estimated monthly spend
$0.00
Calculating savings vs GPT-4o...
Cite & embed
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@misc{llmpodium2026gpt56terra,
title = {Benchmark Analysis and Intelligence Evaluation of GPT-5.6 Terra},
author = {LLMPodium Research},
year = {2026},
url = {https://llmpodium.com/models/gpt-5-6-terra}
}Embed Score Badge
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