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EXAONE 4.0 (1.2B)
About EXAONE 4.0 (1.2B)
EXAONE 4.0 (1.2B) is an AI model developed by LG AI Research, in the language category, released in 2025, made available as an open-weights model with 1.2B params.
On this page you'll find EXAONE 4.0 (1.2B)'s full specifications, including 13 benchmark results. Review provider pricing and benchmark scores below, or compare EXAONE 4.0 (1.2B) head-to-head with other language models.
Links
Run EXAONE 4.0 (1.2B) locally — what to buy
Share this build ↗Sized to what EXAONE 4.0 (1.2B) actually needs (~8k context at Q4), not to the biggest GPU: Good = cheapest that runs it, Better = best value, Best = most headroom. Speed is a hardware estimate; anything past ~120 tok/s is shown as instant.
Software support
✓ measured · · compatible · — not supported. Informational only — speed is hardware-based.
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EXAONE 4.0 (1.2B) benchmark scores▶
| Benchmark | Category | Score | Variant |
|---|---|---|---|
| TAU-bench Airline | agentic | 20.5% | reasoning |
| TAU-bench Retail | agentic | 28.1% | reasoning |
| LiveCodeBench v5 | code | 44.6% | reasoning |
| LiveCodeBench v6 | code | 45.3% | reasoning |
| IFEval | general | 67.8% | reasoning |
| MMLU-Pro | general | 59.3% | reasoning |
| MMLU-Redux | general | 71.5% | reasoning |
| Multi-IF (EN) | general | 53.9% | reasoning |
| AIME 2025 | math | 45.2% | reasoning |
| HMMT February 2025 | math | 34% | reasoning |
| MATH-500 | math | 88.8% | reasoning, ES |
| GPQA Diamond | reasoning | 52% | reasoning |
| BFCL v3 | tool-use | 52.9% | reasoning |
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Frequently asked questions
What is EXAONE 4.0 (1.2B)? ▶
EXAONE 4.0 (1.2B) is an AI model developed by LG AI Research, in the language category, released in 2025. It is tracked on GenAIList with its specifications, benchmark scores and provider pricing.
Who created EXAONE 4.0 (1.2B)? ▶
EXAONE 4.0 (1.2B) was developed by LG AI Research and released in 2025.
Is EXAONE 4.0 (1.2B) open source or proprietary? ▶
EXAONE 4.0 (1.2B) ships as an open-weights model: you can download and self-host the weights, though the licence may place some restrictions on use.
How much does EXAONE 4.0 (1.2B) cost? ▶
Pricing for EXAONE 4.0 (1.2B) depends on the provider. See the providers table on this page for the latest API rates.
How does EXAONE 4.0 (1.2B) perform on benchmarks? ▶
EXAONE 4.0 (1.2B) is benchmarked across 13 evaluations on GenAIList, including TAU-bench Airline (20.5%). See the full benchmark table below and compare it with other models.
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