Grok 4.5

Language xAI Partly verified Released Jul 8, 2026
  • In Input modalities: TextImage Out Output modalities: Text
  • Reasoning· low, medium, high, xhigh
  • Tool use
  • Structured output

Prices

1 offering · prices as listed
xAI API (opens in a new tab) Official Global · USD grok-4.5
Conditions/ 1M tokensInputCache readOutput
Standard $2.00$0.30$6.00
Prompts over 200K tokens $4.00$0.60$12.00

Prices from xAI models and pricing (opens in a new tab) (checked Nov 8, 2026)

Standard: the price a request with no conditions pays (the headline price elsewhere on the site).

Details

Open weights
—
Family
grok
Aliases
grok-4.5-latest, grok-build-latest
Model ID

Not stated on xAI’s pages: max input, reasoning can be off, max thinking budget, built-in tools, knowledge cutoff.

Cited scores

From third-party leaderboards, not measured by us
  • Epoch Capabilities Index 155.1

    #42 of 118 listed models · CI 153.3–157

  • LMArena Text 1,466

    #37 of 163 listed models · CI 1,461–1,470 · 39,169 votes

  • Epoch AI · Chess Puzzles 35%

    #44 of 85 listed models · high effort · ±4.79

  • Epoch AI · FrontierMath Tier 4 v2 24.4%

    #43 of 65 listed models · high effort · ±6.79

  • Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Oct 28 – Nov 5, 2026
  • LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Nov 8, 2026
  • EQ-Bench by Samuel J. Paech (eqbench.com; EQ-bench/EQ-bench-site on GitHub), MIT License. · License · as of Oct 28, 2026
  • LiveBench (White et al.), release 2026-06-25, livebench.ai, licensed CC BY-SA 4.0. This board, adapted from it, is shared under CC BY-SA 4.0. · License · as of Jun 25, 2026
  • Terminal-Bench 4.0 leaderboard (Marten, Shaw et al., Terminal-Bench; harbor-framework/terminal-bench on GitHub), licensed Apache-2.0. · License · as of Sep 29, 2026
  • changes we made

Provider-reported scores

Published by xAI, under the conditions it states
BenchmarkSettingScore
Terminal-Bench 2.1—83.3%
SWE-bench Proresolve rate64.7%

Included in coding plans

  • GitHub Copilot Pro $10.00 / month
    1,500 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
    15 USD of usage per month
  • GitHub Copilot Pro+ $39.00 / month
    7,000 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
    70 USD of usage per month
  • GitHub Copilot Max $100.00 / month
    20,000 credits per month
    Variable additional usage on top of your base. Flex allotments may change over time.
  • GitHub Copilot Business $19.00 / month
    1,900 credits per month
  • 3,900 credits per month

All coding plans →

No changes recorded yet.

Sources

xAI’s official policies: data use, privacy, terms →

Some values on this page are still waiting to be checked against official pages: a filled dot is verified, a hollow one is not yet (with or without a source on file). How we verify data

xAI · United States · x.ai

Snapshots, the same family and other models from this provider