Grok 4.3 (High) API Pricing

SpaceXAI · released 2026-04-30 · merges 4 reasoning-effort tiers

Also searched as: Grok 4.3 pricing

Benchmarks shown for the highest-scoring reasoning tier. Merged tiers: Grok 4.3 (High), Grok 4.3 (Medium), Grok 4.3 (Low), Grok 4.3 (Non-reasoning).

Grok 4.3 price

$1.25
input / 1M tokens
0.125¢ / 1K
$2.50
output / 1M tokens
0.250¢ / 1K
$1.563
blended / 1M tokens
0.156¢ / 1K

What it actually costs

WorkloadTokensCost
Short chat reply500 in / 300 out0.137¢
RAG query4,000 in / 500 out0.625¢
Long document summary50,000 in / 1,000 out$0.0650
Code review of a 2k-line file30,000 in / 2,000 out$0.0425
1,000 chat replies/day for 30 days30,000 × (500 in / 300 out)$41.25

Cost = (input tokens ÷ 1,000,000 × $1.25) + (output tokens ÷ 1,000,000 × $2.50).

Benchmarks

24.9
Intelligence
#95 of 547
42.2
Coding
#87 of 195
—
Math
—
Tokens/sec
—
Time to first token

Similar intelligence, lower price

ModelIntelligenceBlended $/1M
Hy3-preview (Reasoning)22.7$0.10
Ling-3.0-flash-Fin22.6$0.111
DeepSeek V4 Flash 0420 (High)24.4$0.142
Solar Mini 424.1$0.175
Hy325.3$0.241

Leaderboard neighbours

ModelIntelligenceBlended $/1M
MiMo-V2-Omni-032725.1—
Inkling (Xhigh)25.0$1.762
GPT-5 Codex (High)24.9$3.438
Grok 4.3 (High)24.9$1.563
Claude Sonnet 4.6 (Non-reasoning, High)24.7$6.00
GPT-5.1 (High)24.7$3.438
Solar Open2 250B24.7—

More from SpaceXAI

ModelIntelligenceBlended $/1M
Grok 4.7 (Xhigh)46.4$3.00
Grok 4.6 (High)44.3$3.00
Grok 4.5 (High)38.8$3.00
Grok Build 0.1 061627.2$1.25
Grok 4.20 0309 v2 (Reasoning)25.7$1.563
Grok 4.20 0309 (Reasoning)25.2$3.00
Grok 422.5$6.00
Grok 4.1 Fast (Reasoning)20.4—

Count tokens & estimate cost for Grok 4.3 (High) See Grok 4.3 (High) on the leaderboard

Source: Artificial Analysis · last synced 2026-10-15

FAQ

Who develops Grok 4.3 (High)?

Grok 4.3 (High) is developed by SpaceXAI, released 2026-04-30.

How much does Grok 4.3 (High) cost per million tokens?

Grok 4.3 (High) costs $1.25 per 1M input tokens and $2.50 per 1M output tokens ($1.563 blended), per Artificial Analysis's official pricing data.

What is the Grok 4.3 API price?

The Grok 4.3 API price is $1.25 per 1M input tokens and $2.50 per 1M output tokens ($1.563 per 1M blended).

How much does Grok 4.3 cost for a typical request?

A short chat reply (500 in / 300 out tokens) costs about 0.137¢ on Grok 4.3, at $1.25/1M input and $2.50/1M output.

Is Grok 4.3 free?

Grok 4.3's official API list price is $1.25 per 1M input tokens and $2.50 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check SpaceXAI's site for those.

How does Grok 4.3 (High) rank on benchmarks?

Grok 4.3 (High) scores 24.9 on the Artificial Analysis Intelligence Index, ranking #95 of 547 models we track.

Is there a cheaper model with similar intelligence to Grok 4.3 (High)?

Yes — Hy3-preview (Reasoning) scores similar intelligence (22.7) at $0.10/1M blended, versus $1.563/1M for Grok 4.3 (High).

Where does this data come from?

Pricing and benchmark data for Grok 4.3 (High) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.