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Cheapest models

Ranked by blended API price (75% input + 25% output, USD per 1M tokens). Free promotional listings excluded.

All90d30d
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342 models

Ranked by blended API price (75% input + 25% output, USD per 1M tokens). Free promotional listings excluded. Source: OpenRouter. Variants (reasoning effort, batch) are folded into one row.

#ModelCapabilityReasoningCodingContext$/M
301GPT-4o (2024-08-06)OpenAI———128K$4.38
302GPT-4o (2024-11-20)OpenAI———128K$4.38
303Gemini 3.1 Pro Preview Custom ToolsGoogle———1.05M$4.50
304Nano Banana Pro (Gemini 3 Pro Image Preview)Google———66K$4.50
305Nano Banana Pro (Gemini 3 Pro Image)Google———131K$4.50
306Kimi K3batchMoonshot AI · +1 variant———1.05M$4.56
307GPT-5.3-CodexOpenAI156.8——400K$4.81
308GPT-5.2 ChatOpenAI———128K$4.81
309GPT-5.2-CodexOpenAI———400K$4.81
310Claude Opus 4.5batchAnthropic · +1 variant———200K$5.00
311Claude Opus 4.6batchAnthropic · +1 variant———1M$5.00
312Claude Opus 4.7batchAnthropic · +1 variant———1M$5.00
313Claude Opus 4.8batchAnthropic · +1 variant———1M$5.00
314Claude Opus 5batchAnthropic · +1 variant———1M$5.00
315Nova Premier 1.0Amazon———1M$5.00
316MiMo-V2.6-Pro-UltraSpeedNEWXiaomi———1.05M$5.44
317GPT-5.5batchOpenAI · +1 variant———1.05M$5.63
318Claude Sonnet 4Anthropic141.779.2—200K$6.00
319Ember-1NEWFireworks AI———1.05M$6.00
320Qwen3.8 Max PrimeNEWAlibaba (Qwen)———1M$6.00
321Sonar ProPerplexity———200K$6.00
322Sonar Pro SearchPerplexity———200K$6.00
323GPT-4 TurbobatchOpenAI · +1 variant———128K$7.50
324GPT-4o (2024-05-13)OpenAI———128K$7.50
325GPT-5.4 Image 2OpenAI———272K$9.75
326Claude Fable 5batchAnthropic · +1 variant———1M$10.00
327Claude Fable 5.1NEWbatchAnthropic · +1 variant———1M$10.00
328GPT-5 ImageOpenAI———400K$10.00
329GPT-6 AstraNEWbatchOpenAI · +1 variant———1.05M$10.00
330GPT-6 Astra ProNEWbatchOpenAI · +1 variant———1.05M$10.00
331Fugu UltraSakana AI———1M$11.25
332Fugu Ultra v2NEWSakana AI———1M$11.25
333GPT Chat LatestOpenAI———400K$11.25
334Claude Opus 4.1batchAnthropic · +1 variant———200K$15.00
335GPT-5 ProbatchOpenAI · +1 variant———400K$20.63
336o1OpenAI141.976.8—200K$26.25
337GPT-5.2 ProbatchOpenAI · +1 variant———400K$28.88
338GPT-5.4 ProbatchOpenAI · +1 variant———1.05M$33.75
339GPT-5.5 ProbatchOpenAI · +1 variant———1.05M$33.75
340o3 ProOpenAI147.4——200K$35.00
341GPT-4OpenAI———8K$37.50
342o1-proOpenAI———200K$262.50
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