GitHub[220K]Try OpenCode

Compare AI models: DeepSeek V4.1 Flash vs GPT-6.1 Terra

  1. DeepSeek V4.1 FlashDeepSeek
  2. GPT-6.1 TerraOpenAIHollow points use fallbacks · hover for details
ReasoningCodingCost efficiencyContext windowMultimodalTool use
Normalized model capability scores
ModelReasoningCodingCost efficiencyContext windowMultimodalTool use
DeepSeek V4.1 Flash100/100100/10084/10081/10033/10092/100
GPT-6.1 Terra50/100 — Reasoning supported; no comparable benchmark50/100 — No data; neutral placeholder27/10098/10050/10050/100 — Tool calling supported; no comparable benchmark
Overview
Author
Context length
1M
1.1M
Reasoning
True
True
Input modalities
Text, Image
Text, Image, Pdf
Output modalities
Text
Text
Providers
Pricing
Input
$0.05/ 1M
$1.00/ 1M
Output
$0.19/ 1M
$5.00/ 1M
Cached input
$0.000954/ 1M
$0.05/ 1M
MomentumLast 2 mo
Unique users
3.7M
No usage
Completed sessions
98,635,641
No usage
Token share
35.9%
No usage
Tokens
423T+100%
No usage
SEP 1OCT 26
No trend data
RetentionWeek 1
Returning users
69.2%413K user-weeks
Pending

Related comparisons. Other model pairs to check.