GPT-5.6 Terra vs Hermes 4 - Llama-3.1 405B: Release Comparison
Comparison of the GPT-5.6 Terra and Hermes 4 - Llama-3.1 405B releases: 6 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 8 models.
- For intelligence, GPT-5.6 Terra scores highest: GPT-5.6 Terra (max) at 42, against Hermes 4 - Llama-3.1 405B (Reasoning) at 7 for Hermes 4 - Llama-3.1 405B.
- For output speed, GPT-5.6 Terra is fastest: GPT-5.6 Terra (xhigh) at 90 t/s, against Hermes 4 - Llama-3.1 405B (Non-reasoning) at 41 t/s for Hermes 4 - Llama-3.1 405B.
Releases compared
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost per Task (USD, Log Scale)
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indexes
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2.1, AA-Briefcase v1.1, Terminal-Bench 4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2.1, AA-Briefcase v1.1, AA-LCR v1.1 · Higher is better
Further details
Input modality | Output modality | Weights | Provider Benchmarks | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GPT-5.6 Terra (max) |  OpenAI | 42 | 41 | 47 | 41 | 40 | 43 | 45 | $1.40 | $1.7 | $2.00 | $12.00 | $0.20 | $2,501 | 39k | 26k | 122M | 86 | 221.50s | 221.50s | 227.33s | 448.27s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |  | |
| GPT-5.6 Terra (xhigh) | OpenAI | 38 | 40 | 44 | 40 | 38 | 38 | 44 | $0.63 | $1.7 | $2.00 | $12.00 | $0.20 | $1,187 | 20k | 12k | 52M | 90 | 34.50s | 34.50s | 40.04s | 228.30s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |  | |
| GPT-5.6 Terra (high) | OpenAI | 34 | 37 | 40 | 37 | 34 | 34 | 42 | $0.34 | $1.7 | $2.00 | $12.00 | $0.20 | $768 | 11k | 5k | 33M | 79 | 3.38s | 3.38s | 9.68s | 140.50s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-5.6 Terra (medium) | OpenAI | 30 | 32 | 34 | 34 | 31 | 31 | 37 | $0.18 | $1.7 | $2.00 | $12.00 | $0.20 | $447 | 5k | 2k | 17M | 83 | 2.16s | 2.16s | 8.17s | 66.35s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-5.6 Terra (low) | OpenAI | 27 | 30 | 31 | 31 | 27 | 28 | 34 | $0.14 | $1.7 | $2.00 | $12.00 | $0.20 | $350 | 4k | 1k | 11M | 82 | 1.95s | 1.95s | 8.05s | 48.85s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-5.6 Terra (Non-reasoning) | OpenAI | 21 | 21 | 23 | 22 | - | 21 | 24 | $0.14 | $1.7 | $2.00 | $12.00 | $0.20 | $256 | 3k | 0 | 6M | 77 | 0.90s | 0.90s | 7.40s | 40.61s | - | 1M | Jul 2026 | - | No | Supports: text and image | Supports: text | Not available | - | | |
| Hermes 4 - Llama-3.1 405B (Reasoning) |  Nous Research | 7 | - | - | - | - | - | - | - | $1.2 | $1.00 | $3.00 | - | - | - | - | - | 40 | 2.46s | 52.39s | 64.88s | - | 406B | 128k | Aug 2025 | - | Yes | Supports: text | Supports: text |  | |||
| Hermes 4 - Llama-3.1 405B (Non-reasoning) | Nous Research | 7 | - | - | - | - | - | - | - | $1.2 | $1.00 | $3.00 | - | - | - | - | - | 41 | 2.37s | 2.37s | 14.52s | - | 406B | 128k | Aug 2025 | - | No | Supports: text | Supports: text | | |||