Grok 4.3

xAIKey grok-4.3Also reported as x-ai/grok-4.3, xai/grok-4.3, grok/grok-4.3

No usage of Grok 4.3 in the last 7 days. Showing all time instead.

Rank
#179
by active users
Active users
65
All time
Adoption
2.6%
of 2,457 accounts
Tokens
3.1B
cache included
Est. cost
$1.3K
at public list prices
First seen
May 1, 2026
in any submission

Oct 10, 2024 – Nov 12, 2026 (UTC)2,457 accounts100% of tokens from an identified modelData through Nov 12, 2026, 07:57 UTCHow we count

Daily active users

Distinct accounts that used this model on each UTC day.

0 active users on Nov 12, 2026

Daily active users for Grok 4.3, Oct 10, 2024 to Nov 12, 2026. Peak 10. Use the left and right arrow keys to read each day.1050
Show daily values
Daily active users and tokens for Grok 4.3
Date (UTC)Active usersTokens
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May 1, 202611.6M
May 2, 202611M
May 3, 20261200K
May 4, 20261869K
May 5, 202600
May 6, 20262921K
May 7, 202626.1M
May 8, 2026326.1M
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May 10, 2026310.3M
May 11, 202628.8M
May 12, 202639.9M
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May 15, 202622.4M
May 16, 2026445M
May 17, 20266127.2M
May 18, 20267249.2M
May 19, 20268229.5M
May 20, 20267398.7M
May 21, 202610344.6M
May 22, 20268461.8M
May 23, 2026532.7M
May 24, 2026539.1M
May 25, 2026654M
May 26, 2026823.2M
May 27, 2026751.5M
May 28, 2026627.4M
May 29, 2026610.8M
May 30, 2026428.8M
May 31, 2026411.6M
Jun 1, 202646.8M
Jun 2, 2026531.3M
Jun 3, 2026539.6M
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Jun 5, 2026546.3M
Jun 6, 2026581.2M
Jun 7, 2026532M
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Jun 10, 202656.4M
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Jun 16, 2026316.3M
Jun 17, 2026331.3M
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Jun 19, 202643.4M
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Jun 22, 20263862K
Jun 23, 202600
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Jun 25, 2026414.2M
Jun 26, 2026629.1M
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Jun 28, 2026733M
Jun 29, 2026159.1K
Jun 30, 2026446.6M
Jul 1, 2026321M
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Jul 3, 202622M
Jul 4, 2026162.1K
Jul 5, 20261187K
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Sep 3, 2026138K
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Sep 10, 202615.8M
Sep 11, 2026163.1K
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Sep 15, 2026213.4M
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Sep 24, 202613.6M
Sep 25, 2026146.1K
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Oct 1, 20261613K
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Oct 5, 202611.2M
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Token mix

How the 3.1B tokens split. Cache reads are usually most of an agent's tokens and are priced far below input.

  • Input20%
  • Output0.4%
  • Cache read80%
  • Cache write<0.1%
  • Reasoning0.2%

Agents that carry Grok 4.3

Each agent's share of this model's tokens, and how many accounts used the model through it.

  1. Hermes Agent52% of this model's tokens26active users
  2. OpenCode32% of this model's tokens20active users
  3. Pi9.0% of this model's tokens10active users
  4. Gajae Code2.5% of this model's tokens8active users
  5. Codex CLI2.3% of this model's tokens4active users
  6. Oh My Pi0.7% of this model's tokens2active users
  7. Grok Build0.6% of this model's tokens3active users
  8. Cursor0.5% of this model's tokens3active users
  9. Senpi (OmO Native)0.4% of this model's tokens4active users
  10. OpenClaw<0.1% of this model's tokens2active users
  11. Junie<0.1% of this model's tokens2active users
  12. Fx<0.1% of this model's tokens1active users
  13. Cline<0.1% of this model's tokens1active users
  14. Roo Code<0.1% of this model's tokens1active users

Benchmarks

The best result for Grok 4.3 in each benchmark Tokscale tracks. Each benchmark has its own unit, run conditions and source, so compare a score only with other models on the same benchmark. Rank is among the models Tokscale matched in that benchmark.

All benchmarks
  • Epoch Capabilities IndexOverall · Epoch AI
    149.9
    Rank #68 of 158 matched modelsNo conditions reportedModel released Apr 17, 2026Source: epoch.ai (opens in a new tab)
  • WebDev ArenaWeb development · LMArena
    1,358
    Rank #89 of 110 matched modelsNo conditions reportedPublished Oct 19, 2026Source: huggingface.co (opens in a new tab)
  • GPQA DiamondReasoning · Epoch AI
    88.8%
    Rank #53 of 160 matched modelsHighRun date Jun 17, 2026Source: epoch.ai (opens in a new tab)

    Near its ceiling: the top score is 96.5%, and Epoch AI estimates the reachable maximum at 97%. Differences between top models are small.

  • FrontierMath Tiers 1–3 (v2)Reasoning · Epoch AI
    42.8%
    Rank #62 of 90 matched modelsHighRun date Jun 17, 2026Source: epoch.ai (opens in a new tab)

    Near its ceiling: the top score is 95.1%, and Epoch AI estimates the reachable maximum at 95%. Differences between top models are small.

  • SimpleQA VerifiedKnowledge · Epoch AI
    33.2%
    Rank #64 of 86 matched modelsHighRun date Aug 27, 2026Source: epoch.ai (opens in a new tab)

Not evaluated: Humanity's Last Exam, Terminal-Bench 4.1, CursorBench, DeepSWE, FrontierSWE, Agent Arena. A missing result is not a score of zero.

Pricing

List prices from models.dev in US dollars per 1M tokens, retrieved Nov 12, 2026. xAI is the lab's own API and the reference price for the estimates below.

Price at real agent usageEstimate at list prices

What 1M tokens cost at the reference list price when they split into input, output and cache the way Tokscale users' agents used them. It is not what anyone paid.

At this model's mix
$0.42
Est. per 1M tokens
80% cache reads
At the community mix
$0.28
Est. per 1M tokens
93% cache reads
3:1 input/output blend
$1.56
Per 1M tokens at list prices
No cache

Cache reads were 80% of Grok 4.3 tokens across all time and 93% of all tokens. The 3:1 blend, (3 × input + output) ÷ 4, is the usual comparison and ignores cache.

Assumptions

  • xAI list prices per 1M tokens: input $1.25, output $2.50, cache read $0.20.
  • This model's mix is its own input, output, cache and reasoning tokens across all time.
  • The community mix is the tokens of every identified model across all time.
  • This is an estimate at list prices, not what anyone paid.
  • Reasoning tokens are priced as output.
  • Long-context tiers, batch pricing and discounts are not applied.
  • Token mixes come from public Tokscale submissions. Hidden accounts are excluded.
  • No cache-write price is listed, so cache writes are priced as input.

List prices by provider

  • xAIReferencegrok-4.3
    $1.25 input per 1M tokens$2.50 output per 1M tokens$0.20 cache read per 1M tokensCache write not listed1M tokens of context
  • Amazon Bedrockxai.grok-4.3
    $1.25 input per 1M tokens$2.50 output per 1M tokens$0.20 cache read per 1M tokensCache write not listed1M tokens of context
  • Vertexxai/grok-4.3
    $1.25 input per 1M tokens$2.50 output per 1M tokens$0.20 cache read per 1M tokensCache write not listed200K tokens of context
  • OpenRouterx-ai/grok-4.3
    $1.25 input per 1M tokens$2.50 output per 1M tokens$0.20 cache read per 1M tokensCache write not listed1M tokens of context
  • Vercel AI Gatewayspacexai/grok-4.3
    $1.25 input per 1M tokens$2.50 output per 1M tokens$0.20 cache read per 1M tokensCache write not listed1M tokens of context

Specs

From models.dev (MIT), retrieved Nov 12, 2026, as the lab or the first listed provider reports them. A dash means models.dev does not list the value.

Context window
1M tokens
Max output
30K tokens
Input
Text, Image, PDF
Output
Text
Knowledge cutoff
— not listed
Release date
Apr 17, 2026
Open weights
No
Reasoning
Yes
Tool calling
Yes

Top public profiles

Public profiles that used Grok 4.3 most in this period, by tokens. Hidden accounts are never listed.

  1. 1Sangrak Choi@kargnas687.3Mtokens$342est. cost12active days$342 est. cost · 12 active days
  2. 2iz@islee23520567.5Mtokens$271est. cost32active days$271 est. cost · 32 active days
  3. 3Zeyu Fu@PeterPonyu245.4Mtokens$189est. cost2active days$189 est. cost · 2 active days
  4. 4Arthur Brownlee IV@nulluserid240.5Mtokens$85est. cost29active days$85 est. cost · 29 active days
  5. 5Code_G@codeg-dev204.2Mtokens$85est. cost17active days$85 est. cost · 17 active days
  6. 6Rudlord Rud@chipoto69150.9Mtokens$34est. cost9active days$34 est. cost · 9 active days
  7. 7PineFruit@PineFruitDev141.8Mtokens$56est. cost8active days$56 est. cost · 8 active days
  8. 8BlockedPath @BlockedPath138.6Mtokens$56est. cost13active days$56 est. cost · 13 active days
  9. 9Ori@oritwoen108.2Mtokens<$1est. cost2active days<$1 est. cost · 2 active days
  10. 10panut chongpakdee@muay515772.7Mtokens$23est. cost5active days$23 est. cost · 5 active days

More from xAI

Other xAI models in the same period, by active users.

  1. Grok 4.512% adoption304active users
  2. Grok 4.612% adoption301active users
  3. Grok Code Fast 19.4% adoption232active users
  4. Grok Code9.2% adoption225active users
  5. Grok 4.78.3% adoption205active users
  6. Cursor Grok 4.5 High Fast3.9% adoption95active users
All models

Sources and attribution

Each score keeps its own source, unit and run conditions. Tokscale does not combine benchmarks into one score, and a missing score means the model was not evaluated, not that it scored zero.

  • Epoch AIEpoch Capabilities Index, Epoch's own runs and the external results it collects.CC BY 4.0 · Retrieved Nov 12, 2026 · Data through Nov 9, 2026Epoch AI, ‘Capabilities & benchmarking’. Published online at epoch.ai. Retrieved from https://epoch.ai/benchmarks.
  • LMArenaWebDev Arena and Agent Arena leaderboards.CC BY 4.0 · Retrieved Oct 21, 2026 · Data through Oct 19, 2026LMArena leaderboard dataset (lmarena-ai/leaderboard-dataset), Hugging Face.
  • models.devSpecs and list prices per provider.MIT · Retrieved Nov 12, 2026models.dev, an open catalog of AI models (github.com/anomalyco/models.dev).
  • TokscaleActive users, tokens and token mix from public Tokscale submissions. Hidden accounts are excluded.How we count