GPT-5.1-Codex-Mini alternatives
Match · Updated July 2026
The closest alternative to GPT-5.1-Codex-Mini is Ring-2.6-1T — comparable intelligence (30.6 vs 30.6); for a cheaper option, GPT-5.6 Luna runs $0.100/M vs $0.250/M; and the best open-weight substitute is Kimi K3.
Closest match
Cheaper alternatives
gpt-5.6-luna
$0.100/M input · 51.2 intel
minimax-m3:batch
$0.150/M input · 44.4 intel
hy3
$0.132/M input · 41.2 intel
deepseek-v4-flash
$0.140/M input · 40.3 intel
gpt-5.4-nano
$0.200/M input · 38.2 intel
gpt-5.4-nano:batch
$0.100/M input · 38.2 intel
Smarter alternatives
minimax-m2.1
31.4 intel · $0.300/M
qwen3.6-35b-a3b
31.6 intel · $0.140/M
qwen3-max-thinking
31.7 intel · $0.780/M
qwen3.5-122b-a10b
32.3 intel · $0.260/M
o3-pro
32.5 intel · $20.00/M
kimi-k2-thinking
32.7 intel · $0.600/M
Open-source alternatives
kimi-k3
57.1 intel · open weights · 1.0M ctx
glm-5.2
51.1 intel · open weights · 1.0M ctx
minimax-m3
44.4 intel · open weights · 1.0M ctx
minimax-m3:batch
44.4 intel · open weights · 524K ctx
deepseek-v4-pro
44.3 intel · open weights · 1.0M ctx
kimi-k2.6
44.2 intel · open weights · 262K ctx
Frequently asked
What is the best alternative to GPT-5.1-Codex-Mini?
Ring-2.6-1T is the closest alternative to GPT-5.1-Codex-Mini, with an Intelligence Index of 30.6 (GPT-5.1-Codex-Mini scores 30.6) at $0.075 per million input tokens.
Is there a cheaper alternative to GPT-5.1-Codex-Mini?
Yes — GPT-5.6 Luna costs $0.100 per million input tokens versus $0.250 for GPT-5.1-Codex-Mini, while staying within ~8 points of its Intelligence Index.
Is there an open-source alternative to GPT-5.1-Codex-Mini?
Kimi K3 is the strongest open-weight alternative to GPT-5.1-Codex-Mini — downloadable from Hugging Face and self-hostable, scoring 57.1 on intelligence.