Cheapest LLM APIs
241 models ranked by blended cost — (3×input + 1×output) ÷ 4 per million tokens (input-only models like embeddings rank by their input price). Lower is cheaper.
Lowest token prices right now
top 10 by blended cost · last scanTop 10 by blended $/Mtokcheapest first
MODELPRICEWATCH.COM · 2026-11-07
Every model by blended cost
241 models · sorted by blended cost (cheapest first)| Notes | |||||
|---|---|---|---|---|---|
| GLM-4.5-FlashZ.AI | $0 |
$0 | $0 | 128K | Open |
| GLM-4.6V-FlashZ.AI | $0 |
$0 | $0 | 128K | Open |
| GLM-4.7-FlashZ.AI | $0 |
$0 | $0 | 128K | Open |
| pplx-decider-flash-v1.2Perplexity | $0.007 |
$0.010 | $0 | 262K | Open |
| pplx-decider-v1.2Perplexity | $0.015 |
$0.020 | $0 | 262K | Open |
| text-embedding-3-smallOpenAI | $0.020 |
$0.020 | — | 8K | |
| rerank-2.5-liteVoyage AI | $0.020 |
$0.020 | — | — | |
| voyage-4-liteVoyage AI | $0.020 |
$0.020 | — | — | |
| Clef-flashCloudflare | $0.028 |
$0.038 | $0 | 25K | Open |
| GLM-OCRZ.AI | $0.030 |
$0.030 | $0.030 | 128K | Open |
| Tev1 4B ExperimentalTogether | $0.032 |
$0.042 | $0 | 33K | |
| Jev 1.13TypeSafe AI | $0.032 |
$0.042 | $0 | 64K | |
| Jev 1.14TypeSafe AI | $0.032 |
$0.042 | $0 | 64K | |
| SummarizeScaleDown | $0.038 |
$0.050 | $0 | 1M | |
| ClassifyScaleDown | $0.038 |
$0.050 | $0 | 1M | |
| CompressScaleDown | $0.038 |
$0.050 | $0 | 1M | |
| ExtractScaleDown | $0.038 |
$0.050 | $0 | 1M | |
| Granite 4.0 H MicroCloudflare | $0.041 |
$0.017 | $0.112 | 128K | Open |
| rerank-2.5Voyage AI | $0.050 |
$0.050 | — | — | |
| Qwen3.7-FlashAlibaba | $0.055 |
$0.030 | $0.130 | 1M | |
| Schematron V2 TurboInference.net | $0.060 |
$0.030 | $0.150 | 128K | |
| voyage-4Voyage AI | $0.060 |
$0.060 | — | — | |
| Nova MicroAmazon | $0.061 |
$0.035 | $0.140 | 128K | |
| Baichuan M2-32BBaichuan | $0.070 |
$0.070 | $0.070 | 131K | Open |
| ClairicCloudflare | $0.075 |
$0.100 | $0 | 66K | |
| Hy-MT2 1.8BTencent | $0.077 |
$0.044 | $0.177 | 8K | Open |
| NVIDIA Nemotron 3.5 LightningDeepInfra | $0.085 |
$0.060 | $0.160 | 256K | Open |
| DeepSeek V4 FlashDeepInfra | $0.090 |
$0.060 | $0.180 | 1M | |
| Schematron V2 SmallInference.net | $0.095 |
$0.050 | $0.230 | 128K | |
| Ministral 3 3BMistral | $0.100 |
$0.100 | $0.100 | 128K | Open |
| Reka EdgeReka | $0.100 |
$0.100 | $0.100 | 16K | Open |
| GLM-4-32B-0414Z.AI | $0.100 |
$0.100 | $0.100 | 128K | Open |
| Nova LiteAmazon | $0.105 |
$0.060 | $0.240 | 300K | |
| Granite Embedding 278M MultilingualIBM | $0.106 |
$0.106 | — | — | Open |
| LFM3-1.7BLiquid AI | $0.110 |
$0.080 | $0.200 | 262K | Open |
| Clef-omniCloudflare | $0.112 |
$0.150 | $0 | 64K | Open |
| Granite 4 H SmallIBM | $0.114 |
$0.064 | $0.265 | 128K | Open |
| Embed 4Cohere | $0.120 |
$0.120 | — | — | |
| voyage-4-largeVoyage AI | $0.120 |
$0.120 | — | — | |
| voyage-multimodal-3.5Voyage AI | $0.120 |
$0.120 | — | — | |
| Reka Flash 3Reka | $0.125 |
$0.100 | $0.200 | 66K | Open |
| GPT-OSS 20BFireworks | $0.128 |
$0.070 | $0.300 | 128K | Open |
| Hy-MT2 30B-A3BTencent | $0.129 |
$0.074 | $0.295 | 8K | Open |
| text-embedding-3-largeOpenAI | $0.130 |
$0.130 | — | 8K | |
| GLM-4.6V-FlashXZ.AI | $0.130 |
$0.040 | $0.400 | 128K | Open |
| Qwen3-32BDeepInfra | $0.130 |
$0.080 | $0.280 | 128K | Open |
| GPT-OSS 20BGroq | $0.131 |
$0.075 | $0.300 | 131K | Open1000 TPS |
| Qwen-FlashAlibaba | $0.138 |
$0.050 | $0.400 | 1M | |
| GPT-5 nanoOpenAI | $0.138 |
$0.050 | $0.400 | 400K | |
| Step 3.5 FlashStepFun | $0.150 |
$0.100 | $0.300 | 262K | Open |
| Llama 4 ScoutDeepInfra | $0.150 |
$0.100 | $0.300 | 10M | Open |
| GLM-4.7-FlashXZ.AI | $0.153 |
$0.070 | $0.400 | 128K | Open |
| Qwen3.5-FlashAlibaba | $0.175 |
$0.100 | $0.400 | 1M | |
| Voxtral Small 24BMistral | $0.175 |
$0.100 | $0.400 | 128K | Open |
| Solar Mini 4Upstage | $0.175 |
$0.100 | $0.400 | 524K | |
| voyage-code-3Voyage AI | $0.180 |
$0.180 | — | 32K | |
| voyage-context-3Voyage AI | $0.180 |
$0.180 | — | 32K | |
| ClefCloudflare | $0.180 |
$0.240 | $0 | 66K | Open |
| Claude Haiku 5.5Anthropic | $0.200 |
$0.100 | $0.500 | 1M | |
| GPT-6 LunaOpenAI | $0.200 |
$0.100 | $0.500 | 1M | |
| LFM2.5-24B-A2BLiquid AI | $0.212 |
$0.050 | $0.700 | 131K | Open |
| Qwen3.8-FlashAlibaba | $0.230 |
$0.150 | $0.470 | 1M | |
| Qwen3.8-Omni-FlashAlibaba | $0.230 |
$0.150 | $0.470 | 1M | |
| Hunyuan Hy3Tencent | $0.231 |
$0.132 | $0.528 | 262K | |
| GLM-5.3-FlashZ.AI | $0.237 |
$0.150 | $0.500 | 1M | Open |
| Jamba MiniAI21 Labs | $0.250 |
$0.200 | $0.400 | 256K | Open |
| KAT-Coder-Air V2.5Kwaipilot | $0.259 |
$0.148 | $0.593 | 256K | |
| Command R 08-2024Cohere | $0.262 |
$0.150 | $0.600 | 128K | |
| GPT-OSS 120BFireworks | $0.262 |
$0.150 | $0.600 | 128K | Open |
| GPT-OSS 120BGroq | $0.262 |
$0.150 | $0.600 | 131K | Open500 TPS |
| MiniMax-M3.1-FlashMiniMax | $0.262 |
$0.150 | $0.600 | 1M | |
| Mistral Small 4Mistral | $0.262 |
$0.150 | $0.600 | 128K | |
| GPT-OSS 120BTogether | $0.262 |
$0.150 | $0.600 | 131K | Open |
| GPT-4o miniOpenAI | $0.262 |
$0.150 | $0.600 | 128K | |
| Mercury 3Inception | $0.325 |
$0.200 | $0.700 | 1M | |
| Apodex 1.1 MiniApodex | $0.325 |
$0.100 | $1.00 | 262K | Open |
| Mercury 2.5Inception | $0.338 |
$0.200 | $0.750 | 260K | |
| Mercury 2Inception | $0.375 |
$0.250 | $0.750 | 128K | |
| Mercury Edit 2Inception | $0.375 |
$0.250 | $0.750 | 32K | |
| GLM-4.5-AirZ.AI | $0.425 |
$0.200 | $1.10 | 128K | Open |
| Step 3.7 FlashStepFun | $0.438 |
$0.200 | $1.15 | 262K | Open |
| Particle-1Particle AI | $0.438 |
$0.250 | $1.00 | 1M | |
| CodestralMistral | $0.450 |
$0.300 | $0.900 | 256K | |
| Codestral 2508Mistral | $0.450 |
$0.300 | $0.900 | 256K | |
| GLM-4.6VZ.AI | $0.450 |
$0.300 | $0.900 | 128K | Open |
| GPT-5.6 LunaOpenAI | $0.450 |
$0.200 | $1.20 | 1M | |
| GPT-5.4 nanoOpenAI | $0.463 |
$0.200 | $1.25 | 400K | |
| Inkling 2 SmallThinking Machines | $0.475 |
$0.300 | $1.00 | 262K | |
| Moondream 3.1 9B A2BMoondream | $0.475 |
$0.300 | $1.00 | 32K | Open |
| DeepSeek V4.1 Flash 1017DeepSeek | $0.525 |
$0.300 | $1.20 | 1M | Open |
| MiniMax-M2.7Fireworks | $0.525 |
$0.300 | $1.20 | 128K | Open |
| MiniMax-M3Fireworks | $0.525 |
$0.300 | $1.20 | 1M | Open |
| MiniMax-M2.1MiniMax | $0.525 |
$0.300 | $1.20 | 205K | Open |
| MiniMax-M2.5MiniMax | $0.525 |
$0.300 | $1.20 | 205K | Open |
| MiniMax-M2.7MiniMax | $0.525 |
$0.300 | $1.20 | 205K | Open |
| MiniMax-M3MiniMax | $0.525 |
$0.300 | $1.20 | 1M | Open |
| MiniMax-M3Together | $0.525 |
$0.300 | $1.20 | 524K | Open |
| LongCat-2.5Meituan | $0.525 |
$0.300 | $1.20 | 1M | |
| Inkling SmallThinking Machines | $0.525 |
$0.300 | $1.20 | 262K | Open |
| Solar Pro 4Upstage | $0.525 |
$0.300 | $1.20 | 524K | |
| Qwen3.7-PlusTogether | $0.560 |
$0.320 | $1.28 | 1M | Open |
| Qwen3.6-FlashAlibaba | $0.563 |
$0.250 | $1.50 | 1M | |
| Gemini 3.1 Flash-LiteGoogle | $0.563 |
$0.250 | $1.50 | 1M | |
| GLM-5.3-FlashXZ.AI | $0.590 |
$0.370 | $1.25 | 1M | Open |
| Qwen-PlusAlibaba | $0.600 |
$0.400 | $1.20 | 131K | |
| Hy4Tencent | $0.625 |
$0.417 | $1.25 | 1M | |
| Muse Glimmer 30BFireworks | $0.637 |
$0.350 | $1.50 | 131K | Open |
| Muse Glimmer 30BTogether | $0.637 |
$0.350 | $1.50 | 131K | Open |
| Qwen3.5-35B-A3BAlibaba | $0.688 |
$0.250 | $2.00 | 262K | Open |
| GPT-5 miniOpenAI | $0.688 |
$0.250 | $2.00 | 400K | |
| Qwen3.7-PlusAlibaba | $0.700 |
$0.400 | $1.60 | 1M | |
| Qwen3.7-PlusFireworks | $0.700 |
$0.400 | $1.60 | 128K | Open |
| GPT-4.1 miniOpenAI | $0.700 |
$0.400 | $1.60 | 1M | |
| Command R 03-2024Cohere | $0.750 |
$0.500 | $1.50 | 128K | |
| Mistral Large 3Mistral | $0.750 |
$0.500 | $1.50 | 262K | Open |
| Sonar (Agent API)Perplexity | $0.813 |
$0.250 | $2.50 | — | |
| Qwen3.5-27BAlibaba | $0.825 |
$0.300 | $2.40 | 262K | Open |
| Nova 2 LiteAmazon | $0.850 |
$0.300 | $2.50 | 1M | |
| Gemini 3.5 Flash-LiteGoogle | $0.850 |
$0.300 | $2.50 | 1M | |
| Moondream 3 PreviewMoondream | $0.850 |
$0.300 | $2.50 | 32K | Open |
| GLM-4.5VZ.AI | $0.900 |
$0.600 | $1.80 | — | Open |
| Qwen3.5-PlusAlibaba | $0.900 |
$0.400 | $2.40 | 1M | |
| Relace Apply 3Relace | $0.950 |
$0.850 | $1.25 | 256K | |
| Apodex 1.1Apodex | $0.975 |
$0.300 | $3.00 | 262K | |
| GLM-4.5Z.AI | $1.00 |
$0.600 | $2.20 | 128K | Open |
| GLM-4.6Z.AI | $1.00 |
$0.600 | $2.20 | 200K | Open |
| GLM-4.7Z.AI | $1.00 |
$0.600 | $2.20 | 128K | Open |
| Llama 3.3 70BTogether | $1.04 |
$1.04 | $1.04 | 131K | Open |
| NVIDIA Nemotron 3 UltraFireworks | $1.05 |
$0.600 | $2.40 | 128K | Open |
| Mistral Large 4Mistral | $1.05 |
$0.700 | $2.10 | 1M | |
| GPT-Realtime-2.1 miniOpenAI | $1.05 |
$0.600 | $2.40 | 128K | |
| Qwen3.5-122B-A10BAlibaba | $1.10 |
$0.400 | $3.20 | 262K | Open |
| Qwen3.8-27BAlibaba | $1.13 |
$0.500 | $3.00 | 1M | Open |
| Qwen3.6-PlusAlibaba | $1.13 |
$0.500 | $3.00 | 1M | |
| Gemini 3 Flash PreviewGoogle | $1.13 |
$0.500 | $3.00 | 1M | |
| Kimi K2.5Moonshot | $1.20 |
$0.600 | $3.00 | 262K | Open |
| Grok Build 0.1xAI | $1.25 |
$1.00 | $2.00 | 256K | |
| Hy4 previewTencent | $1.25 |
$0.834 | $2.50 | 1M | Open |
| KAT-Coder-Pro V2.5Kwaipilot | $1.30 |
$0.741 | $2.96 | 256K | |
| Qwen3.6-27BAlibaba | $1.35 |
$0.600 | $3.60 | 262K | Open |
| Qwen3.5-397B-A17BAlibaba | $1.35 |
$0.600 | $3.60 | 262K | Open |
| Nova ProAmazon | $1.40 |
$0.800 | $3.20 | 300K | |
| ParetoUnbiased | $1.40 |
$0.800 | $3.20 | 1M | |
| Step 5 PreviewStepFun | $1.43 |
$1.00 | $2.70 | 1M | |
| Gemini 3.6 FlashGoogle | $1.50 |
$0.750 | $3.75 | 1M | |
| Gemini 3.8 FlashGoogle | $1.50 |
$0.750 | $3.75 | 1M | |
| Gemini 3.7 FlashGoogle | $1.50 |
$0.750 | $3.75 | 1M | |
| Relace SearchRelace | $1.50 |
$1.00 | $3.00 | 256K | |
| GLM-5Z.AI | $1.55 |
$1.00 | $3.20 | 128K | Open |
| Grok 4.20xAI | $1.56 |
$1.25 | $2.50 | 1M | |
| Grok 4.3xAI | $1.56 |
$1.25 | $2.50 | 1M | |
| Qwen3.8-27BGroq | $1.60 |
$0.800 | $4.00 | 131K | Open450 TPS |
| DeepSeek V4 ProDeepInfra | $1.63 |
$1.30 | $2.60 | 1M | |
| GPT-5.4 miniOpenAI | $1.69 |
$0.750 | $4.50 | 1M | |
| Kimi K2.6Fireworks | $1.71 |
$0.950 | $4.00 | 256K | Open |
| Kimi K2.7 CodeFireworks | $1.71 |
$0.950 | $4.00 | 256K | Open |
| Kimi K2.6Moonshot | $1.71 |
$0.950 | $4.00 | 262K | Open |
| Kimi K2.7 CodeMoonshot | $1.71 |
$0.950 | $4.00 | 262K | Open |
| Sakana NamazuSakana AI | $1.71 |
$0.950 | $4.00 | 262K | |
| InklingThinking Machines | $1.76 |
$1.00 | $4.05 | 262K | Open |
| GLM-5-TurboZ.AI | $1.90 |
$1.20 | $4.00 | 128K | Open |
| GLM-5V-TurboZ.AI | $1.90 |
$1.20 | $4.00 | 128K | Open |
| GLM-4.5-AirXZ.AI | $1.95 |
$1.10 | $4.50 | 128K | Open |
| DeepSeek V4 ProDeepSeek | $1.98 |
$1.32 | $3.96 | 1M | |
| DeepSeek V4 ProTogether | $1.98 |
$1.32 | $3.96 | 1M | |
| Claude Haiku 4.5Anthropic | $2.00 |
$1.00 | $5.00 | 200K | |
| GPT-6.1 TerraOpenAI | $2.00 |
$1.00 | $5.00 | 1M | |
| Muse Spark 1.1Meta | $2.00 |
$1.25 | $4.25 | 1M | |
| Muse Spark 1.2Meta | $2.00 |
$1.25 | $4.25 | 1M | |
| Muse Spark 1.3Meta | $2.00 |
$1.25 | $4.25 | 1M | |
| GLM-5.1Fireworks | $2.15 |
$1.40 | $4.40 | 128K | Open |
| GLM-5.2Fireworks | $2.15 |
$1.40 | $4.40 | 1M | Open |
| GLM-5.3Fireworks | $2.15 |
$1.40 | $4.40 | 1M | Open |
| GLM-5.2Together | $2.15 |
$1.40 | $4.40 | 1M | Open |
| GLM-5.3Together | $2.15 |
$1.40 | $4.40 | 1M | Open |
| GLM-5.1Z.AI | $2.15 |
$1.40 | $4.40 | 128K | Open |
| GLM-5.2Z.AI | $2.15 |
$1.40 | $4.40 | 1M | Open |
| GLM-5.3Z.AI | $2.15 |
$1.40 | $4.40 | 1M | Open |
| Qwen3.7-MaxTogether | $2.25 |
$1.50 | $4.50 | 1M | |
| Qwen3.8-MaxAlibaba | $3.00 |
$2.00 | $6.00 | 1M | |
| Qwen3.8-2.4T-A95BAlibaba | $3.00 |
$2.00 | $6.00 | 1M | Open |
| Mistral Medium 3.5Mistral | $3.00 |
$1.50 | $7.50 | 262K | Open |
| Grok 4.7xAI | $3.00 |
$2.00 | $6.00 | 500K | |
| Grok 4.6xAI | $3.00 |
$2.00 | $6.00 | 500K | |
| Grok 4.5xAI | $3.00 |
$2.00 | $6.00 | 500K | |
| Fugu MaxSakana AI | $3.00 |
$2.00 | $6.00 | 1M | |
| Gemini 3.5 FlashGoogle | $3.38 |
$1.50 | $9.00 | 1M | |
| Kimi K2.7 Code HighSpeedMoonshot | $3.42 |
$1.90 | $8.00 | 262K | Open |
| GPT-5.1OpenAI | $3.44 |
$1.25 | $10.00 | 400K | |
| GPT-5OpenAI | $3.44 |
$1.25 | $10.00 | 400K | |
| Jamba LargeAI21 Labs | $3.50 |
$2.00 | $8.00 | 256K | Open |
| GPT-4.1OpenAI | $3.50 |
$2.00 | $8.00 | 1M | |
| o3OpenAI | $3.50 |
$2.00 | $8.00 | 200K | |
| Qwen3.7-MaxAlibaba | $3.75 |
$2.50 | $7.50 | 1M | |
| GLM-4.5-XZ.AI | $3.88 |
$2.20 | $8.90 | 128K | Open |
| Claude Sonnet 5Anthropic | $4.00 |
$2.00 | $10.00 | 1M | |
| Claude Sonnet 5.5Anthropic | $4.00 |
$2.00 | $10.00 | 1M | |
| Gemini 4 ArgonGoogle | $4.00 |
$2.00 | $10.00 | 1M | |
| Kimi K3.1 ProMoonshot | $4.00 |
$2.00 | $10.00 | 1M | |
| GPT-6 SolOpenAI | $4.00 |
$2.00 | $10.00 | 1M | |
| GPT-6.1 SolOpenAI | $4.00 |
$2.00 | $10.00 | 1M | |
| GLM-5.3-PrimeAlibaba | $4.30 |
$2.80 | $8.80 | 1M | Open |
| Command ACohere | $4.38 |
$2.50 | $10.00 | 256K | |
| Command R+ 08-2024Cohere | $4.38 |
$2.50 | $10.00 | 128K | |
| GPT-Audio-1.5OpenAI | $4.38 |
$2.50 | $10.00 | 128K | |
| GPT-4oOpenAI | $4.38 |
$2.50 | $10.00 | 128K | |
| Gemini 3.1 ProGoogle | $4.50 |
$2.00 | $12.00 | 2M | |
| GPT-5.6 TerraOpenAI | $4.50 |
$2.00 | $12.00 | 1M | |
| GPT-5.3 CodexOpenAI | $4.81 |
$1.75 | $14.00 | 400K | |
| GPT-5.2OpenAI | $4.81 |
$1.75 | $14.00 | 400K | |
| GPT-5.4OpenAI | $5.63 |
$2.50 | $15.00 | 1M | |
| Claude Sonnet 4.5Anthropic | $6.00 |
$3.00 | $15.00 | 200K | |
| Claude Sonnet 4.6Anthropic | $6.00 |
$3.00 | $15.00 | 1M | |
| Ember-1Fireworks | $6.00 |
$3.00 | $15.00 | 1M | |
| Kimi K3Moonshot | $6.00 |
$3.00 | $15.00 | 1M | Open |
| Gemini 3.1 Flash Lite ImageGoogle | $7.69 |
$0.250 | $30.00 | — | |
| Claude Opus 5.5Anthropic | $8.00 |
$4.00 | $20.00 | 1M | |
| Kimi K3.1 Pro HighSpeedMoonshot | $8.00 |
$4.00 | $20.00 | 1M | |
| GPT-5.6 SolOpenAI | $8.00 |
$4.00 | $20.00 | 1M | |
| Muse WonderMeta | $8.00 |
$4.00 | $20.00 | 1M | |
| Gemini Nano Banana 2.1Google | $8.63 |
$1.50 | $30.00 | — | |
| GPT-Realtime-2OpenAI | $9.00 |
$4.00 | $24.00 | 128K | |
| GPT-Realtime-2.1OpenAI | $9.00 |
$4.00 | $24.00 | 128K | |
| Claude Opus 4.5Anthropic | $10.00 |
$5.00 | $25.00 | 200K | |
| Claude Opus 4.6Anthropic | $10.00 |
$5.00 | $25.00 | 1M | |
| Claude Opus 4.7Anthropic | $10.00 |
$5.00 | $25.00 | 1M | |
| Claude Opus 4.8Anthropic | $10.00 |
$5.00 | $25.00 | 1M | |
| Claude Opus 5Anthropic | $10.00 |
$5.00 | $25.00 | 1M | |
| GPT-5.5OpenAI | $11.25 |
$5.00 | $30.00 | 1M | |
| Fugu UltraSakana AI | $11.25 |
$5.00 | $30.00 | 1M | |
| GPT-Image-2OpenAI | $13.50 |
$8.00 | $30.00 | 128K | |
| Gemini 3.1 Flash ImageGoogle | $15.38 |
$0.500 | $60.00 | — | |
| Claude Fable 5Anthropic | $20.00 |
$10.00 | $50.00 | 1M | |
| Claude Fable 5.1Anthropic | $20.00 |
$10.00 | $50.00 | 1M | |
| GPT-6 AstraOpenAI | $20.00 |
$10.00 | $50.00 | 1M | |
| Gemini 3 Pro ImageGoogle | $31.50 |
$2.00 | $120.00 | — | |
| o3-proOpenAI | $35.00 |
$20.00 | $80.00 | 200K | |
| GPT-5 ProOpenAI | $41.25 |
$15.00 | $120.00 | 400K | |
| GPT-5.2 ProOpenAI | $57.75 |
$21.00 | $168.00 | 400K | |
| GPT-5.5 ProOpenAI | $67.50 |
$30.00 | $180.00 | 1M | |
| GPT-5.4 ProOpenAI | $67.50 |
$30.00 | $180.00 | 1M |
* Blended = (3×input + 1×output) ÷ 4 $/Mtok (input price alone for embeddings/rerankers) · cheap · mid · expensive
How blended cost works
Blended cost = (3×input + 1×output) ÷ 4 per 1M tokens, weighted toward input to reflect typical read-heavy workloads. It's the simplest way to compare models when your usage mixes both. Input-only models — embeddings and rerankers — have no output side, so their blended cost is simply their input price. The cheapest models are often small open-weight models hosted on Groq or Together, but they may lack the reasoning power of frontier models. Use the Cost Calculator to estimate real monthly spending based on your actual input/output ratio.