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Add pricing for GPT-5.4 nano and GPT-4.5 #144

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Merged
mike1858 merged 1 commit into from
Apr 20, 2026
Merged

Add pricing for GPT-5.4 nano and GPT-4.5 #144

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64 changes: 64 additions & 0 deletions src/models.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -232,6 +232,16 @@ static MODEL_INDEX: phf::Map<&'static str, ModelInfo> = phf_map! {
caching: CachingSupport::None,
is_estimated: false,
},
"gpt-4.5" => ModelInfo {
pricing: PricingStructure::Flat {
input_per_1m: 75.0,
output_per_1m: 150.0,
},
caching: CachingSupport::OpenAI {
cached_input_per_1m: 37.5,
},
is_estimated: false,
},
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"gpt-5" => ModelInfo {
pricing: PricingStructure::Flat {
input_per_1m: 1.25,
Expand Down Expand Up @@ -420,6 +430,16 @@ static MODEL_INDEX: phf::Map<&'static str, ModelInfo> = phf_map! {
},
is_estimated: false,
},
"gpt-5.4-nano" => ModelInfo {
pricing: PricingStructure::Flat {
input_per_1m: 0.20,
output_per_1m: 1.25,
},
caching: CachingSupport::OpenAI {
cached_input_per_1m: 0.02,
},
is_estimated: false,
},

// Anthropic Models
"claude-opus-4-7" => ModelInfo {
Expand Down Expand Up @@ -1071,6 +1091,7 @@ static MODEL_ALIASES: phf::Map<&'static str, &'static str> = phf_map! {
"codex-mini-latest" => "codex-mini-latest",
"gpt-4-turbo" => "gpt-4-turbo",
"gpt-4-turbo-2024-04-09" => "gpt-4-turbo",
"gpt-4.5" => "gpt-4.5",
"gpt-5" => "gpt-5",
"gpt-5-codex" => "gpt-5",
"gpt-5-2025-08-07" => "gpt-5",
Expand Down Expand Up @@ -1191,6 +1212,7 @@ static MODEL_ALIASES: phf::Map<&'static str, &'static str> = phf_map! {
"gpt-5.4-mini" => "gpt-5.4-mini",
"gpt-5.4-mini-2026-03-17" => "gpt-5.4-mini",
"gpt-5.4-mini-2026-03-17." => "gpt-5.4-mini",
"gpt-5.4-nano" => "gpt-5.4-nano",

// MiniMax aliases
"minimax-m2.1" => "minimax-m2.1",
Expand Down Expand Up @@ -1592,4 +1614,46 @@ mod tests {
approx_eq(calculate_output_cost("auto", 1_000_000), 0.0);
approx_eq(calculate_cache_cost("auto", 1_000_000, 1_000_000), 0.0);
}

#[test]
fn gpt_5_4_nano_pricing_is_available() {
let model_info = get_model_info("gpt-5.4-nano").expect("model should exist");
assert!(!model_info.is_estimated);

let input_cost = calculate_input_cost("gpt-5.4-nano", 1_000_000);
let output_cost = calculate_output_cost("gpt-5.4-nano", 1_000_000);
let cache_cost = calculate_cache_cost("gpt-5.4-nano", 0, 1_000_000);

approx_eq(input_cost, 0.20);
approx_eq(output_cost, 1.25);
approx_eq(cache_cost, 0.02);
}

#[test]
fn gpt_4_5_pricing_is_available() {
let model_info = get_model_info("gpt-4.5").expect("model should exist");
assert!(!model_info.is_estimated);

let input_cost = calculate_input_cost("gpt-4.5", 1_000_000);
let output_cost = calculate_output_cost("gpt-4.5", 1_000_000);
let cache_cost = calculate_cache_cost("gpt-4.5", 0, 1_000_000);

approx_eq(input_cost, 75.0);
approx_eq(output_cost, 150.0);
approx_eq(cache_cost, 37.5);
}

#[test]
fn gpt_5_1_pricing_is_available() {
let model_info = get_model_info("gpt-5.1").expect("model should exist");
assert!(!model_info.is_estimated);

let input_cost = calculate_input_cost("gpt-5.1", 1_000_000);
let output_cost = calculate_output_cost("gpt-5.1", 1_000_000);
let cache_cost = calculate_cache_cost("gpt-5.1", 0, 1_000_000);

approx_eq(input_cost, 1.25);
approx_eq(output_cost, 10.0);
approx_eq(cache_cost, 0.125);
}
}
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