GPT-5.6 Sol vs Gemma 4 E4B: Release Comparison
Comparison of the GPT-5.6 Sol and Gemma 4 E4B 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 Sol scores highest: GPT-5.6 Sol (max) at 47, against Gemma 4 E4B (Reasoning) at 9 for Gemma 4 E4B.
- For output speed, GPT-5.6 Sol is fastest: GPT-5.6 Sol (max) at 65 t/s, against Gemma 4 E4B (Reasoning) at 47 t/s for Gemma 4 E4B.
Releases compared
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indices
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2, AA-Briefcase, Terminal-Bench 4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2, AA-Briefcase, AA-LCR v1.1 · Higher is better
Further details
Input modality | Output modality | Weights | Provider Benchmarks | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GPT-5.6 Sol (max) |  OpenAI | 47 | 49 | 55 | 50 | 46 | 49 | 53 | $1.99 | $3.1 | $4.00 | $20.00 | $0.40 | $3,465 | 29k | 17k | 90M | 65 | 94.96s | 94.96s | 102.69s | 450.44s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - |   | |
| GPT-5.6 Sol (xhigh) | OpenAI | 44 | 47 | 52 | 49 | 43 | 45 | 52 | $1.18 | $3.1 | $4.00 | $20.00 | $0.40 | $2,082 | 20k | 10k | 51M | 64 | 36.15s | 36.15s | 43.93s | 308.51s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-5.6 Sol (high) | OpenAI | 42 | 46 | 51 | 48 | 42 | 43 | 50 | $0.81 | $3.1 | $4.00 | $20.00 | $0.40 | $1,487 | 13k | 6k | 34M | 57 | 9.67s | 9.67s | 18.38s | 229.62s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-5.6 Sol (medium) | OpenAI | 39 | 43 | 49 | 45 | 39 | 40 | 48 | $0.50 | $3.1 | $4.00 | $20.00 | $0.40 | $997 | 8k | 3k | 21M | 60 | 3.39s | 3.39s | 11.77s | 131.41s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-5.6 Sol (low) | OpenAI | 34 | 39 | 42 | 42 | 36 | 35 | 45 | $0.26 | $3.1 | $4.00 | $20.00 | $0.40 | $637 | 4k | 837 | 13M | 59 | 3.13s | 3.13s | 11.54s | 64.97s | - | 1M | Jul 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-5.6 Sol (Non-reasoning) | OpenAI | 28 | 30 | 33 | 31 | - | - | 32 | - | $3.1 | $4.00 | $20.00 | $0.40 | - | - | - | - | 63 | 1.23s | 1.23s | 9.16s | - | - | 1M | Jul 2026 | - | No | Supports: text and image | Supports: text | Not available | - | | |
| Gemma 4 E4B (Reasoning) |  Google | 9 | - | - | - | - | - | - | - | $0.0 | $0.02 | $0.10 | - | - | - | - | - | 47 | 0.82s | 43.52s | 54.19s | - | 8B 4.5B active at inference time | 128k | Apr 2026 | - | Yes | Supports: text, image, speech, and video | Supports: text |  | |||
| Gemma 4 E4B (Non-reasoning) | Google | 7 | - | - | - | - | - | - | - | $0.0 | $0.02 | $0.10 | - | - | - | - | - | 44 | 0.77s | 0.77s | 12.03s | - | 8B 4.5B active at inference time | 128k | Apr 2026 | - | No | Supports: text, image, speech, and video | Supports: text | | |||