Claude alternatives
Match · Updated July 2026
Claude is Anthropic's assistant; alternatives are computed against Anthropic's current flagship model; The closest alternative to Claude is GPT-5.6 Sol — comparable intelligence (58.9 vs 59.9); for a cheaper option, GPT-5.6 Sol runs $5.00/M vs $10.00/M.
Closest match
Cheaper alternatives
gpt-5.6-sol
$5.00/M input · 58.9 intel
kimi-k3
$3.00/M input · 57.1 intel
claude-opus-4.8
$5.00/M input · 55.7 intel
gpt-5.6-terra
$2.50/M input · 55.0 intel
gpt-5.5
$5.00/M input · 54.8 intel
grok-4.5
$2.00/M input · 53.8 intel
Frequently asked
What is the best alternative to Claude?
GPT-5.6 Sol is the closest alternative to Claude, with an Intelligence Index of 58.9 (Claude scores 59.9) at $5.00 per million input tokens.
Is there a cheaper alternative to Claude?
Yes — GPT-5.6 Sol costs $5.00 per million input tokens versus $10.00 for Claude, while staying within ~8 points of its Intelligence Index.