Grok 3 mini: benchmark scores, price and ranking

Grok 3 mini from xAI ranks #268 of 743 LLMs on the LLMs Tiger aggregate benchmark score (49.4), based on 2 benchmark results captured up to 2026-10-13.

Organisation
xAI
Type
Fast / low-cost (flash) model
Open weights
No
Released
2025-02-19 (source: curated)
Cheapest API price
$0.250 in / $1.27 out per million tokens (via azure_ai, observed 2026-10-13T20:47Z)
Aggregate rank
#268 of 743 (score 49.4)

Across the 2 benchmarks where at least ten models are scored, Grok 3 mini is in the top 10% on 0 and in the top half on 2.

Its cheapest listed input price, $0.250 per million tokens, is lower than that of 64% of the 427 models with a listed price.

Grok 3 mini benchmark results

Grok 3 mini benchmark scores, ranked against all models measured on each benchmark
BenchmarkScoreRankSourceCaptured
Epoch ECI140#49 of 204Epoch AI Benchmarking Hub2026-10-13
WeirdML42.6%#51 of 109Epoch AI Benchmarking Hub2026-10-13

About Grok 3 mini

Grok 3 mini is a smaller, lower-cost model from xAI. It was released on 2025-02-19, according to the developer's announcement. The cheapest API listing we track charges $0.250 per million input tokens and $1.27 per million output tokens, through azure_ai. We hold 2 benchmark results for it across 1 area, and none is in the top tenth of its board.

Where Grok 3 mini stands

On our aggregate score, Grok 3 mini is #268 of 743 ranked models, around the middle of the table. Its score is 49.4; the scale is centred on 50, so it sits 0.6 points below the typical model. That beats 64% of the ranked field. Among the 26 ranked xAI models it is #14. The next one up is grok-4-fast at 49.5. The next one down is Grok-2-mini at 49.0.

Grok 3 mini, benchmark by benchmark

Epoch ECI puts Grok 3 mini at 140, #49 of 204. That beats 76% of the models tested, but 16 points short of Qwen 3.8 Max (156). The results either side are Gemini 2.5 Flash (Jun 2025) (141) and Kimi K2 (Jul 2025) (140). It covers Epoch Capabilities Index: Epoch's own aggregate of ~40 benchmarks. The board median is 127, so Grok 3 mini is 13 points above it. Source: Epoch AI Benchmarking Hub, captured 2026-10-13.

On WeirdML, Grok 3 mini reaches 42.6%. It ranks #51 of 109, ahead of 53% of the field, and 50.7 points behind GPT-6 Astra (max) at 93.3%. The results either side are Kimi K2 Thinking (42.8%) and grok-3-mini-beta (high) (42.6%). It covers unusual machine-learning tasks. The board median is 41.2%, so Grok 3 mini is 1.4 points above it. Source: Epoch AI Benchmarking Hub, captured 2026-10-13.

Strengths and weaknesses

General knowledge and chat: solid, ahead of 65% of the field on average across 2 benchmarks. Its best board here is Epoch ECI (#49 of 204) and its weakest is WeirdML (#51 of 109).

Price and value

The median input price across the 427 priced models is $0.500 per million tokens, so Grok 3 mini costs less than the typical listing. Models that score within 1.5 points or better and cost less: Qwen2.5-Coder-7B-Instruct ($0.010, 49.5), DeepSeek V4.1 Flash (high) ($0.010, 48.9), DeepSeek V4 Flash 0731 (max) ($0.016, 53.1). Similar scores cost more on DeepSeek-V3.2 (Thinking; Fireworks) ($0.259) and Qwen3.5 27B ($0.260).

Release history

The xAI model released before it was grok-3 on 2025-02-19, which scores 46.5. The next one was Grok 4 on 2025-07-09, at 53.2.

Reading these numbers

The 2 scores on this page come from 1 source: Epoch AI Benchmarking Hub (2). No official leaderboard supplied any of them, so treat them as third-party measurements. The leaderboard also lists 1 other reasoning-effort setting of this model, which redirect here. This page shows the highest. With 2 results the aggregate rank can move a lot when one new score arrives.

Grok 3 mini is also listed at 1 other reasoning-effort setting; this page shows the highest-effort row, which is the one the leaderboard keeps by default.

Models ranked nearby

More from xAI

Compare it on the live leaderboard → · How the aggregate score works