Prime Intellect: INTELLECT-3

Prime Intellect: INTELLECT-3

prime-intellect · Released Nov 27, 2025 Professional
Intelligence #9 / 571
82.0 Our Score
AA Index #161 / 375
22.2 Artificial Analysis
Input #271 / 573
$0.200 per 1M tokens
Output #326 / 573
$1.10 per 1M tokens
Context #232 / 573
131,072 tokens

Analysis Summary

INTELLECT-3 from Prime Intellect is a mid-tier reasoning model with a strong math index and above-average GPQA and MMLU Pro scores for its intelligence tier. Tool use and function calling are supported, and the 131K context window is adequate for most business tasks. However, coding and agentic scores are modest, and long-context reasoning is weak.

For businesses, this model is best suited to analytical and research tasks where math and science reasoning matter. It is not well-positioned for autonomous agent workflows, complex coding, or long-document analysis. Instruction following is limited, which reduces reliability for client-facing content generation.

At $0.20 input but $1.10 output per million tokens, the cost structure is unfavourable compared to stronger models in a similar intelligence range. Teams should evaluate whether the math and science strengths justify the pricing before adopting it for production use.

Assessed June 6, 2026

Editorial notes

Prime Intellect INTELLECT-3 shows strong math and science reasoning with decent MMLU Pro scores, but coding and agentic performance are limited and output pricing is high relative to its capability tier.

Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?

Performance Profile

Intelligence4Technical3.3Value7.8Content3.8
Intelligence 4/10
Technical 3.3/10
Content 3.8/10
Value 7.8/10

How Prime Intellect: INTELLECT-3 compares

Prime Intellect: INTELLECT-3 ranks #161 of 375 AI models we track for overall intelligence, #152 of 312 for coding, #192 of 286 for agentic tasks. Its 131K-token context window is larger than 60% of the models we list. At $0.20 per million input tokens it is cheaper than 53% of comparable models.

About Prime Intellect: INTELLECT-3

INTELLECT-3 is a 106B-parameter Mixture-of-Experts model (12B active) post-trained from GLM-4.5-Air-Base using supervised fine-tuning (SFT) followed by large-scale reinforcement learning (RL). It offers state-of-the-art performance for its size across math,..

Capabilities

Tool Use Function Calling

Performance Indices

Source: Artificial Analysis

22.2 Intelligence Index
19.1 Coding Index
17.8 Agentic Index
88 Math Index

Benchmark Scores

Intelligence

GPQA Diamond 76.1% Graduate-level scientific reasoning
HLE 12.1% Humanity's Last Exam
MMLU Pro 82.2% Multi-task language understanding
AIME 2025 88% Competition mathematics (2025)
SciCode 39.1% Scientific computing

Technical

LiveCodeBench 77.7% Live coding evaluation
TerminalBench Hard 9.1% Agentic terminal tasks
τ²-Bench 26.6% Conversational agent benchmark

Content

IFBench 34% Instruction following
LCR 32.3% Long-context reasoning

Benchmark data from Artificial Analysis and Hugging Face

How does Prime Intellect: INTELLECT-3 stack up?

Compare side-by-side with other professional models.

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Model Information

OpenRouter ID prime-intellect/intellect-3
Providerprime-intellect
Release Date November 27, 2025
Context Length131,072 tokens
Max Completion131,072 tokens
Status Active

Pricing

Token Type Cost per 1M tokens Cost per 1K tokens
Input $0.20 $0.000200
Output $1.10 $0.001100

Live Performance

Live endpoint metrics, refreshed every 30 minutes.

266ms
Best Latency (TTFT)
74 tok/s
Best Throughput
0/1
Active Endpoints
Available via: Nebius

Leaderboard Categories

Frequently asked questions about Prime Intellect: INTELLECT-3

How much does Prime Intellect: INTELLECT-3 cost?

Prime Intellect: INTELLECT-3 costs $0.20 per million input tokens and $1.10 per million output tokens.

What is the context window of Prime Intellect: INTELLECT-3?

Prime Intellect: INTELLECT-3 has a context window of 131,072 tokens (131K).

Is Prime Intellect: INTELLECT-3 good for coding?

On our coding benchmark index, Prime Intellect: INTELLECT-3 ranks #152 of 312 models, placing it in the broader range of the field for code generation and debugging.

What can Prime Intellect: INTELLECT-3 do?

Prime Intellect: INTELLECT-3 supports tool use and function calling.

Who created Prime Intellect: INTELLECT-3?

Prime Intellect: INTELLECT-3 is developed by Prime Intellect and was released on November 27, 2025.