Alternatives
Best cheaper alternatives to GPT-5.4 Pro
Looking for a cheaper or smarter replacement for GPT-5.4 Pro by OpenAI? 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 1.1M context
Gemini 1.5 Pro92% CHEAPER
Google
Larger contextMore modalitiesSame category
$3.5 in · $10.5 out / 1M Tokens 58 2.1M ctx 98%
Gemini 1.5 Flash-8B100% CHEAPER
Google
More modalitiesSame category
$0.0375 in · $0.15 out / 1M Tokens 36 1.0M ctx 98%
Gemini 1.5 Flash100% CHEAPER
Google
More modalitiesSame category
$0.075 in · $0.3 out / 1M Tokens 48 1.0M ctx 98%
Gemini 3.1 Flash-Lite Preview99% CHEAPER
Google
More modalitiesSame category
$0.25 in · $1.5 out / 1M Tokens 1.0M ctx 98%
GPT-4o100% CHEAPER
OpenAI
More modalitiesSame category
$0.000263 in · $1.25 out / 1M Tokens 60 128K ctx 82%
GPT-4o Mini100% CHEAPER
OpenAI
More modalitiesSame category
$0.000263 in · $1.25 out / 1M Tokens 42 128K ctx 82%
Gemini 2.0 Flash100% CHEAPER
Google
More modalitiesSame category
$0.1 in · $0.4 out / 1M Tokens 56 1.0M ctx 80%
Gemini 3.1 Flash-Lite99% CHEAPER
Google
More modalitiesSame category
$0.25 in · $1.5 out / 1M Tokens 1.0M ctx 80%
Gemini 2.5 Flash99% CHEAPER
Google
More modalitiesSame category
$0.3 in · $2.5 out / 1M Tokens 68 1.0M ctx 80%
Gemini 3 Flash Preview98% CHEAPER
Google
More modalitiesSame category
$0.5 in · $3 out / 1M Tokens 1.0M ctx 80%
Gemini 3.5 Flash95% CHEAPER
Google
More modalitiesSame category
$1.5 in · $9 out / 1M Tokens 1.0M ctx 80%
Gemini 2.5 Pro95% CHEAPER
Google
More modalitiesSame category
$1.25 in · $10 out / 1M Tokens 76 1.0M ctx 80%
Llama 3.1 8B Instant 128k100% CHEAPER
Groq
Same category
$0.05 in · $0.08 out / 1M Tokens 128K ctx 98%
Ministral 3 3B100% CHEAPER
Mistral AI
Same category
$0.1 in · $0.1 out / 1M Tokens 128K ctx 98%
Qwen3.5 9B100% CHEAPER
Together AI
Same category
$0.1 in · $0.15 out / 1M Tokens 262K ctx 98%
OpenAI GPT OSS 20B100% CHEAPER
Fireworks AI
Same category
$0.07 in · $0.3 out / 1M Tokens 128K ctx 98%
GPT OSS 20B 128k100% CHEAPER
Groq
Same category
$0.075 in · $0.3 out / 1M Tokens 128K ctx 98%
Ministral 3 8B100% CHEAPER
Mistral AI
Same category
$0.15 in · $0.15 out / 1M Tokens 37 128K ctx 98%
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.