Prime Intellect: INTELLECT-3

Prime Intellect: INTELLECT-3

prime-intellect · Released Nov 27, 2025 Professional
Intelligence #14 / 590
82.0 Our Score
AA Index #168 / 385
15.6 Artificial Analysis
Input #277 / 592
$0.200 per 1M tokens
Output #333 / 592
$1.10 per 1M tokens
Context #245 / 592
131,072 tokens

Analysis Summary

INTELLECT-3 is Prime Intellect's flagship model with tool use and function calling support. Its math index and livecodebench scores are strong, and MMLU-Pro performance is solid, but the intelligence index is limited and the agentic index is low, suggesting unreliable performance on multi-step autonomous tasks.

For businesses, the model is best suited to mathematical reasoning, coding assistance, and structured text generation. The instruction-following score is below average, which is a meaningful limitation for client-facing content workflows. The 131K context window is adequate for most use cases.

At $0.20 input and $1.10 output, pricing is moderate. The output cost is relatively high given the intelligence tier, so high-volume deployments should model costs carefully. Teams needing strong math or coding capability at a reasonable input price may find value here, but the limited agentic reliability and instruction-following scores constrain its general-purpose applicability.

Assessed June 30, 2026

Editorial notes

INTELLECT-3 from Prime Intellect shows strong math and coding benchmarks with tool use and function calling, but limited agentic reliability and modest instruction-following scores.

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

Performance Profile

Intelligence3.3Technical3Value7.8Content3.8
Intelligence 3.3/10
Technical 3/10
Content 3.8/10
Value 7.8/10

How Prime Intellect: INTELLECT-3 compares

Prime Intellect: INTELLECT-3 ranks #168 of 385 AI models we track for overall intelligence, #198 of 293 for agentic tasks. Its 131K-token context window is larger than 59% 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

15.6 Intelligence 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.

Compare Models

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

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).

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.