GPT-6.1 Terra vs DeepSeek V4.1 Flash 1017: Release Comparison

Name: Intelligence
Creator: Artificial Analysis
License: https://artificialanalysis.ai/docs/legal/Terms-of-Use.pdf

Comparison of the GPT-6.1 Terra and DeepSeek V4.1 Flash 1017 releases: 6 and 3 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 9 models.

For intelligence, GPT-6.1 Terra scores highest: GPT-6.1 Terra (Max) at 51, against DeepSeek V4.1 Flash 1017 (Max) at 32 for DeepSeek V4.1 Flash 1017.
For output speed, DeepSeek V4.1 Flash 1017 is fastest: DeepSeek V4.1 Flash 1017 (Non-reasoning) at 185 t/s, against GPT-6.1 Terra (Max) at 107 t/s for GPT-6.1 Terra.
For cost per task, GPT-6.1 Terra is cheapest: GPT-6.1 Terra (Low) at $0.07, against DeepSeek V4.1 Flash 1017 (Non-reasoning) at $0.43 for DeepSeek V4.1 Flash 1017.

Model Playground

Releases compared


	GPT-6.1 Terra (max)	GPT-6.1 Terra (xhigh)	GPT-6.1 Terra (high)	GPT-6.1 Terra (medium)	DeepSeek V4.1 Flash 1017 (max)	GPT-6.1 Terra (non-reasoning)	GPT-6.1 Terra (low)	DeepSeek V4.1 Flash 1017 (high)	DeepSeek V4.1 Flash 1017 (non-reasoning)
Intelligence Index	51	45	42	38	32	30	29	29	19
Finance & Accounting	49	48	44	42	42	34	38	39	37
Strategy & Ops	50	49	47	45	49	40	42	48	40
Legal	46	44	42	40	38	28	37	34	32
Healthcare & Medical	45	--	--	--	41	--	--	--	--
Engineering	54	49	46	43	37	33	35	34	25
Economics	49	47	44	41	40	33	36	37	34
AA-Briefcase v1.1	1402	1333	1264	1191	1570	1228	1030	1416	1426
AutomationBench-AA	60.2%	59.9%	58.5%	57.8%	66.6%	51.0%	56.2%	68.5%	48.8%
Terminal-Bench 4.0	55.6%	46.5%	41.9%	32.3%	33.8%	26.8%	15.2%	28.8%	9.1%
FrontierCode 2.0	42.3%	36.9%	37.5%	34.5%	28.5%	33.4%	24.5%	16.8%	6.1%
AA-Omniscience v1.1	30	29	28	27	1	−5	23	2	2
GDP.pdf	28.6%	26.6%	28.0%	28.4%	17.2%	23.2%	25.6%	14.2%	4.4%
HLE-Diamond	47.3%	42.3%	35.4%	31.3%	25.3%	14.5%	24.9%	20.8%	7.1%
CritPt v2 (Hard Subset)	64.5%	57.5%	60.5%	56.0%	24.0%	32.5%	48.5%	26.5%	1.0%
Terminal-Bench-Science 0.1	57.6%	41.9%	33.3%	24.8%	12.9%	24.3%	7.6%	10.5%	2.4%

Cost per TaskUSD	$0.96	$0.40	$0.26	$0.17	$0.60	$0.23	$0.07	--	$0.43
Input PriceUSD/1M Tokens	$1.00	$1.00	$1.00	$1.00	$0.30	$1.00	$1.00	$0.30	$0.30
Output PriceUSD/1M Tokens	$5.00	$5.00	$5.00	$5.00	$1.20	$5.00	$5.00	$1.20	$1.20
Cache Hit PriceUSD/1M Tokens	$0.05	$0.05	$0.05	$0.05	$0.006	$0.05	$0.05	$0.006	$0.006
Cache Write PriceUSD/1M Tokens	$1.25	$1.25	$1.25	$1.25	--	$1.25	$1.25	--	--

Output SpeedTokens/s	107	101	96	91	170	91	91	--	185
Time to First Tokens	264.33	68.83	20.70	4.90	1.28	0.96	1.43	--	1.38
Time to First Answer Tokens	264.33	68.83	20.70	4.90	13.01	0.96	1.43	--	1.38
End-to-End Response Times	269.01	73.77	25.90	10.40	15.94	6.46	6.93	--	4.08
Time per Tasks	560.64	251.62	170.85	116.55	596.73	104.11	48.08	--	349.80

Context Window	1M	1M	1M	1M	1M	1M	1M	1M	1M
Creator	OpenAI	OpenAI	OpenAI	OpenAI	DeepSeek	OpenAI	OpenAI	DeepSeek	DeepSeek
License	Proprietary	Proprietary	Proprietary	Proprietary	Open	Proprietary	Proprietary	Open	Open
Input Modality	Supports: text and image	Supports: text and image	Supports: text and image	Supports: text and image	Supports: text and image	Supports: text and image	Supports: text and image	Supports: text and image	Supports: text and image
Output Modality	Supports: text	Supports: text	Supports: text	Supports: text	Supports: text	Supports: text	Supports: text	Supports: text	Supports: text
Providers					+16

Updated

Intelligence

Artificial Analysis Intelligence Index · Higher is better

Speed

Output tokens per second · Higher is better

Cost per Task

Weighted average cost (USD) per Intelligence Index task · Lower is better

IntelligenceUpdated

Artificial Analysis Intelligence Index

Artificial Analysis Intelligence Index v5.0 incorporates 9 evaluations: AA-Briefcase v1.1, AutomationBench-AA, Terminal-Bench 4.0, FrontierCode 2.0, AA-Omniscience v1.1, GDP.pdf, HLE-Diamond, CritPt v2 (Hard Subset), and Terminal-Bench-Science 0.1

No publicly available API

Artificial Analysis Intelligence Index v5.0 includes: AA-Briefcase v1.1, AutomationBench-AA, Terminal-Bench 4.0, FrontierCode 2.0, AA-Omniscience v1.1, GDP.pdf, HLE-Diamond, CritPt v2 (Hard Subset), Terminal-Bench-Science 0.1. See Intelligence Index methodology for further details, including a breakdown of each evaluation and how we run them.

Intelligence Index vs. Cost per Task

Artificial Analysis Intelligence Index · Weighted average cost (USD) per Artificial Analysis Intelligence Index task

Most attractive quadrant

GPT-6.1 Terra

DeepSeek V4.1 Flash 1017

Pareto line

AA-Briefcase v1.1

AutomationBench-AA

Cost per Task (USD, Log Scale)

Weighted average cost per Intelligence Index task. Each evaluation’s cost is calculated from input, cache hit, cache write, reasoning, and answer token prices, divided by task count, and weighted by its Intelligence Index weight.

Cost

Cost per Intelligence Index Task

Weighted average cost (USD) per Intelligence Index task · Segmented by token type · Lower is better

No publicly available API

Speed & Latency

Output Speed

Output tokens per second · Higher is better

No publicly available API

Tokens per second received while the model is generating tokens (ie. after first chunk has been received from the API for models which support streaming).

Figures represent performance of the model's first-party API or the median across providers where a first-party API is not available.

Capability Scores

Capability Indexes

Measures the performance of models on specific capabilities and industries

Finance & Accounting Index

Incorporates 5 evaluations: AA-Briefcase v1.1, AA-Omniscience v1.1, HLE-Diamond, AutomationBench-AA, GDP.pdf · Higher is better

Strategy & Ops Index

Incorporates 4 evaluations: AutomationBench-AA, AA-Briefcase v1.1, AA-Omniscience v1.1, GDP.pdf · Higher is better

Legal Index

Incorporates 5 evaluations: AA-Omniscience v1.1, AA-Briefcase v1.1, HLE-Diamond, GDP.pdf, AutomationBench-AA · Higher is better

Healthcare & Medical Index

Incorporates 5 evaluations: AA-Omniscience v1.1, AA-Briefcase v1.1, MLCR-AA, AutomationBench-AA, HLE-Diamond · Higher is better

Engineering Index

Incorporates 7 evaluations: AA-Omniscience v1.1, CritPt v2 (Hard Subset), Terminal-Bench-Science 0.1, HLE-Diamond, Terminal-Bench 4.0, FrontierCode 2.0, AA-Briefcase v1.1 · Higher is better

Economics Index

Incorporates 4 evaluations: AA-Briefcase v1.1, AA-Omniscience v1.1, HLE-Diamond, GDP.pdf · Higher is better

Benchmarks

AA-PersonalityBenchNew

Personality Indexes

Each axis is one of 8 personality indexes: the mean of its traits’ Elo z-scores, percentile ranked from 1 to 100 across all models evaluated in the benchmark

GPT-6.1 Terra vs DeepSeek V4.1 Flash 1017: Release Comparison

Intelligence

Speed

Cost per Task

IntelligenceUpdated

Artificial Analysis Intelligence Index

Artificial Analysis Intelligence Index

Intelligence Index vs. Cost per Task

Cost per Intelligence Index Task

Artificial Analysis Intelligence Index

Cost

Cost per Intelligence Index Task

Cost per Intelligence Index Task

Speed & Latency

Output Speed

Output Speed

Model Performance Representation

Capability Scores

Capability Indexes

Benchmarks

AA-PersonalityBenchNew

Personality Indexes