Alternatives
Best cheaper alternatives to Claude Opus 4.5
Looking for a cheaper or smarter replacement for Claude Opus 4.5 by Anthropic? We compared every LLM model with verifiable pricing on real input/output cost, context window, intelligence and modalities. 18 options are meaningfully cheaper.
Category: LLM 200K context
Gemini 1.5 Flash-8B99% CHEAPER
Google
Larger contextMore modalitiesSame category
$0.0375 in · $0.15 out / 1M Tokens 36 1.0M ctx 98%
Gemini 1.5 Flash99% CHEAPER
Google
Larger contextMore modalitiesSame category
$0.075 in · $0.3 out / 1M Tokens 48 1.0M ctx 98%
Gemini 3.1 Flash-Lite Preview94% CHEAPER
Google
Larger contextMore modalitiesSame category
$0.25 in · $1.5 out / 1M Tokens 1.0M ctx 98%
Gemini 2.0 Flash98% CHEAPER
Google
Larger contextMore modalitiesSame category
$0.1 in · $0.4 out / 1M Tokens 56 1.0M ctx 80%
Gemini 3.1 Flash-Lite94% CHEAPER
Google
Larger contextMore modalitiesSame category
$0.25 in · $1.5 out / 1M Tokens 1.0M ctx 80%
Gemini 2.5 Flash92% CHEAPER
Google
Larger contextMore modalitiesSame category
$0.3 in · $2.5 out / 1M Tokens 68 1.0M ctx 80%
Gemini 3 Flash Preview89% CHEAPER
Google
Larger contextMore modalitiesSame category
$0.5 in · $3 out / 1M Tokens 1.0M ctx 80%
GPT-5.4 Nano95% CHEAPER
OpenAI
Larger contextSame category
$0.2 in · $1.25 out / 1M Tokens 400K ctx 98%
GPT-5 Mini97% CHEAPER
OpenAI
Larger contextSame category
$0.000263 in · $1.25 out / 1M Tokens 400K ctx 82%
GPT-5.297% CHEAPER
OpenAI
Larger contextSame category
$0.000263 in · $1.25 out / 1M Tokens 400K ctx 82%
GPT 4.1 Mini97% CHEAPER
OpenAI
Larger contextSame category
$0.000263 in · $1.25512 out / 1M Tokens 53 1.0M ctx 82%
GPT 4.1 Nano97% CHEAPER
OpenAI
Larger contextSame category
$0.000263 in · $1.25512 out / 1M Tokens 41 1.0M ctx 82%
Qwen2.5 14B Instruct 1M94% CHEAPER
Alibaba Cloud
Larger contextSame category
$0.805 in · $0.144 out / 1M Tokens 1M ctx 78%
Grok 4.384% CHEAPER
xAI
Larger contextSame category
$1.25 in · $2.5 out / 1M Tokens 1M ctx 80%
GPT-5.584% CHEAPER
OpenAI
Larger contextSame category
$0.5 in · $5 out / 1M Tokens 1.1M ctx 82%
GPT-5.4 Mini83% CHEAPER
OpenAI
Larger contextSame category
$0.75 in · $4.5 out / 1M Tokens 400K ctx 82%
GPT-4o97% CHEAPER
OpenAI
More modalitiesSame category
$0.000263 in · $1.25 out / 1M Tokens 60 128K ctx 82%
GPT-4o Mini97% CHEAPER
OpenAI
More modalitiesSame category
$0.000263 in · $1.25 out / 1M Tokens 42 128K ctx 82%
Costs are normalised to a blended 1M-token workload (or per-unit price for non-token models) using each model's latest verified pricing. Models with pricing under review are excluded from recommendations.