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ModelTape / Models / GPT-3.5 Turbo (Jan 2024)
OpenAI · API-only (closed weights)

GPT-3.5 Turbo (Jan 2024)

GPT-3.5 Turbo (Jan 2024) is an API-only (closed weights) language model from OpenAI, released January 25, 2024. On the Epoch Capabilities Index it scores 113.1, rank 199 of 256 rated models.

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Lab
OpenAI
Released
January 25, 2024
Weights
API-only (closed weights)
Parameters
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Context
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Price / M tokens
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Epoch ECI
113.1 #199

Strengths by category

ModelTape's 0–100 fit on Epoch AI benchmark results.

CategoryScoreBased on
Math8.0MATH level 5, OTIS Mock AIME 2024-2025, FrontierMath-Tiers-1-3-v2-Private
Knowledge22.5GPQA diamond, MMLU

Benchmark results

Benchmark (Epoch AI)Score
MMLU56.4%
MATH level 511.6%
GPQA Diamond3.0%
OTIS Mock AIME2.1%
FrontierMath (Tiers 1–3)0.0%
Mystery Game Puzzles0.0%

Links

Epoch AI benchmarks

Models with a similar score

Claude 2 · phi-3-small 7.4B · phi-3-medium 14B · Claude Instant · PaLM 2-L · Qwen2.5-Coder-14B · Mistral NeMo · Mixtral 8x7B

More from OpenAI

GPT-6.1 Terra · GPT-6.1 Sol · GPT-6 Sol · GPT-6 Luna · GPT-6 Astra · GPT-5.6 Cyber · Daybreak Red · Daybreak Blue

Data updated Thu, 12 Nov 2026 09:42 UTC. Benchmarks, Capabilities Index and model announcements: Epoch AI, “Capabilities & benchmarking” and “Data on AI models” (CC BY 4.0); category scores are ModelTape's own fit on Epoch's results. Releases and prices: models.dev (MIT). Sizes and quantizations: Hugging Face. “Runs on” figures are estimates from model size, quantization and memory bandwidth (±30–50%).
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