GPT-6.1 Sol vs DeepSeek V4.1 Flash: Release Comparison
Comparison of the GPT-6.1 Sol and DeepSeek V4.1 Flash releases: 5 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 7 models.
- For intelligence, GPT-6.1 Sol scores highest: GPT-6.1 Sol (max) at 52, against DeepSeek V4.1 Flash (Reasoning, Max Effort) at 39 for DeepSeek V4.1 Flash.
- For output speed, DeepSeek V4.1 Flash is fastest: DeepSeek V4.1 Flash (Reasoning, Max Effort) at 212 t/s, against GPT-6.1 Sol (low) at 74 t/s for GPT-6.1 Sol.
- For cost per task, GPT-6.1 Sol is cheapest: GPT-6.1 Sol (low) at $0.13, against DeepSeek V4.1 Flash (Non-Reasoning) at $0.15 for DeepSeek V4.1 Flash.
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-6.1 Sol (max) |  OpenAI | 52 | 54 | 57 | 58 | - | 54 | 59 | $0.72 | $1.5 | $2.00 | $10.00 | $0.10 | $1,082 | 38k | 25k | 67M | 67 | 267.64s | 267.64s | 275.12s | 568.66s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6.1 Sol (xhigh) | OpenAI | 51 | 53 | 56 | 57 | - | 53 | 58 | $0.39 | $1.5 | $2.00 | $10.00 | $0.10 | $662 | 18k | 9k | 36M | 64 | 68.65s | 68.65s | 76.51s | 271.10s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6.1 Sol (high) | OpenAI | 50 | 53 | 55 | 56 | - | 52 | 58 | $0.32 | $1.5 | $2.00 | $10.00 | $0.10 | $521 | 13k | 6k | 25M | 66 | 57.26s | 57.26s | 64.81s | 202.65s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6.1 Sol (medium) | OpenAI | 48 | 50 | 53 | 54 | - | 50 | 56 | $0.21 | $1.5 | $2.00 | $10.00 | $0.10 | $361 | 8k | 3k | 15M | 62 | 5.29s | 5.29s | 13.36s | 126.91s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| GPT-6.1 Sol (low) | OpenAI | 42 | 45 | 46 | 50 | - | 44 | 52 | $0.13 | $1.5 | $2.00 | $10.00 | $0.10 | $250 | 4k | 1k | 9M | 74 | 1.84s | 1.84s | 8.56s | 54.07s | - | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text | Not available | - | | |
| DeepSeek V4.1 Flash (Reasoning, Max Effort) |  DeepSeek | 39 | 45 | 52 | 41 | 41 | 39 | 44 | $0.27 | $0.2 | $0.30 | $1.20 | $0.006 | $477 | 89k | 63k | 253M | 212 | 0.94s | 10.39s | 12.75s | 329.71s | 552B 16B active at inference time | 1M | Sep 2026 | - | Yes | Supports: text and image | Supports: text |    +16 | |||
| DeepSeek V4.1 Flash (Non-Reasoning) | DeepSeek | 25 | 30 | 36 | 30 | - | 25 | 32 | $0.15 | $0.2 | $0.30 | $1.20 | $0.006 | $156 | 34k | 0 | 45M | 207 | 1.11s | 1.11s | 3.53s | 162.79s | 552B 16B active at inference time | 1M | Sep 2026 | - | No | Supports: text and image | Supports: text |  | |||