Top OpenAI Reasoning AI Models
The best openai reasoning AI models right now, ranked and compared on price, context window and features. 48 models match. These are models that think step by step before answering.
- GPT-6 Astra
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$10.00 in
$50.00 out - GPT-6.1 Sol
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$2.00 in
$10.00 out - GPT-6.1 Terra
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$1.00 in
$5.00 out - GPT-6 Sol
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$2.00 in
$10.00 out - GPT-5.6 Sol
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$4.00 in
$20.00 out - GPT-5.6 Terra
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$2.00 in
$12.00 out - GPT-5.4
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$2.50 in
$15.00 out - GPT-5.5
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$5.00 in
$30.00 out - GPT-6 Luna
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$0.100 in
$0.500 out - GPT-5.6 Luna
OpenAI · 1.05M context · ZDR · Images · Reasoning · Tools
$0.200 in
$1.20 out - GPT-5.3-Codex
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$1.75 in
$14.00 out - GPT-5.2
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$1.75 in
$14.00 out - GPT-5.2-Codex
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$1.75 in
$14.00 out - GPT-5.1
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$1.25 in
$10.00 out - GPT-5.4 Mini
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$0.750 in
$4.50 out - GPT-5.1-Codex
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$1.25 in
$10.00 out - GPT-5
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$1.25 in
$10.00 out - o3 Pro
OpenAI · 200K context · No training · Images · Reasoning · Tools
$20.00 in
$80.00 out - GPT-5.4 Nano
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$0.200 in
$1.25 out - GPT-5 Mini
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$0.250 in
$2.00 out - GPT-5.1-Codex-Mini
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$0.250 in
$2.00 out - o3
OpenAI · 200K context · No training · Images · Reasoning · Tools
$2.00 in
$8.00 out - o4 Mini
OpenAI · 200K context · No training · Images · Reasoning · Tools
$1.10 in
$4.40 out - o1
OpenAI · 200K context · No training · Images · Reasoning · Tools
$15.00 in
$60.00 out - GPT-5 Nano
OpenAI · 400K context · ZDR · Images · Reasoning · Tools
$0.050 in
$0.400 out
Prices are per 1M tokens. Ranked by intelligence score where available, then newest.