Alternatives
Best cheaper alternatives to Claude 3.5 Sonnet
Looking for a cheaper or smarter replacement for Claude 3.5 Sonnet 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 Intelligence 62 200K context
Gemini 2.5 Flash86% CHEAPER
Google
Better valueSmarter (68 vs 62)Larger contextMore modalitiesSame category
$0.3 in · $2.5 out / 1M Tokens 68 1.0M ctx 80%
Gemini 1.5 Flash-8B99% CHEAPER
Google
Better valueLarger contextMore modalitiesSame category
$0.0375 in · $0.15 out / 1M Tokens 36 1.0M ctx 98%
Gemini 1.5 Flash98% CHEAPER
Google
Better valueLarger contextMore modalitiesSame category
$0.075 in · $0.3 out / 1M Tokens 48 1.0M ctx 98%
Gemini 2.0 Flash97% CHEAPER
Google
Better valueLarger contextMore modalitiesSame category
$0.1 in · $0.4 out / 1M Tokens 56 1.0M ctx 80%
o395% CHEAPER
OpenAI
Better valueSmarter (78 vs 62)Same category
$0.000263 in · $1.25 out / 1M Tokens 78 200K ctx 82%
GPT 4.1 Mini95% CHEAPER
OpenAI
Better valueLarger contextSame category
$0.000263 in · $1.25512 out / 1M Tokens 53 1.0M ctx 82%
GPT 4.1 Nano95% CHEAPER
OpenAI
Better valueLarger contextSame category
$0.000263 in · $1.25512 out / 1M Tokens 41 1.0M ctx 82%
DeepSeek-R1 (Reasoner)96% CHEAPER
DeepSeek
Better valueSmarter (73 vs 62)Same category
$0.14 in · $0.55 out / 1M Tokens 73 64K ctx 80%
o195% CHEAPER
OpenAI
Better valueSmarter (71 vs 62)Same category
$0.000263 in · $1.25 out / 1M Tokens 71 200K ctx 82%
GPT-4o95% CHEAPER
OpenAI
Better valueMore modalitiesSame category
$0.000263 in · $1.25 out / 1M Tokens 60 128K ctx 82%
GPT-4o Mini95% CHEAPER
OpenAI
Better valueMore modalitiesSame category
$0.000263 in · $1.25 out / 1M Tokens 42 128K ctx 82%
o4 Mini95% CHEAPER
OpenAI
Better valueSmarter (70 vs 62)Same category
$0.000263 in · $1.25512 out / 1M Tokens 70 200K ctx 82%
DeepSeek R184% CHEAPER
DeepSeek
Better valueSmarter (73 vs 62)Same category
$0.55 in · $2.19 out / 1M Tokens 73 64K ctx 98%
Ministral 3 8B98% CHEAPER
Mistral AI
Better valueSame category
$0.15 in · $0.15 out / 1M Tokens 37 128K ctx 98%
Mistral Nemo95% CHEAPER
Mistral AI
Better valueSame category
$0.3 in · $0.3 out / 1M Tokens 39 128K ctx 98%
DeepSeek V392% CHEAPER
DeepSeek
Better valueSame category
$0.27 in · $1.1 out / 1M Tokens 63 64K ctx 98%
Claude 3 Haiku92% CHEAPER
Anthropic
Better valueSame category
$0.25 in · $1.25 out / 1M Tokens 33 200K ctx 98%
Mistral Small98% CHEAPER
Mistral AI
Better valueSame category
$0.1 in · $0.3 out / 1M Tokens 44 128K ctx 95%
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.