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GPT-3.5 Turbo 16k

OPENAI Developer Architecture Profile

OpenRouter ↗HuggingFace ↗
Intelligence (ELO)1220Chatbot Arena Verified
Max Context16,385Tokens
API Cost / 1M$7.00Blended Prompt + Completion

Model Capabilities

    This model offers four times the context length of gpt-3.5-turbo, allowing it to support approximately 20 pages of text in a single request at a higher cost. Training data: up to Sep 2021.

    Granular Pricing Matrix

    Input Tokens (Prompt)$3.00 / 1M
    Output Tokens (Completion)$4.00 / 1M

    Pricing data via OpenRouter. Sync: 3/16/2026

    Evaluate Competitors

    VS Engine MatchupGPT-3.5 Turbo 16k vs Writer: Palmyra X5VS Engine MatchupGPT-3.5 Turbo 16k vs OpenAI: GPT AudioVS Engine MatchupGPT-3.5 Turbo 16k vs Qwen: Qwen3 MaxVS Engine MatchupGPT-3.5 Turbo 16k vs AI21: Jamba Large 1.7VS Engine MatchupGPT-3.5 Turbo 16k vs Cohere: Command AVS Engine MatchupGPT-3.5 Turbo 16k vs Perplexity: Sonar Deep Research