ModelsxAI
Grok 4.3
Context
1M
tokens
Released
Apr 30, 2026
on OpenRouter
Token share
0.2%
OpenRouter · Jul 8, 2026
Pricing
Price per million tokens
Input $/MTok
$1.25
OpenRouter · Aug 21, 2026
Output $/MTok
$2.50
OpenRouter · Aug 21, 2026
Cache read $/MTok
$0.2
OpenRouter
| Source | Tracked slug | In $/MTok | Out $/MTok | Cache read | Cache write | Context | Effective | Last Δ (in) |
|---|---|---|---|---|---|---|---|---|
| OpenRouter | x-ai/grok-4.3 | $1.25 | $2.50 | $0.2 | — | 1M | Aug 21, 2026 | — |
| models.dev | vercel/spacexai/grok-4.3 | $1.25 | $2.50 | $0.2 | — | 1M | Aug 21, 2026 | 11.1% |
| llm-prices.com | grok-4.3 | $1.25 | $2.50 | $0.2 | — | — | Aug 21, 2026 | 50% |
latest tracked price per source · Δ = most recent input-price move within that source
3 sources tracking
Input $/MTok
Output $/MTok
per-source step lines · $/MTok
history since Jul 8, 2026
Specs
Context & availability
| Provider | xAI |
|---|---|
| Context window | 1M tokens |
| Listed on OpenRouter | Apr 30, 2026 |
| Tracked price sources | OpenRouter · models.dev · llm-prices.com |
| OpenRouter slugs | x-ai/grok-4.3 · x-ai/grok-4.3-20260430 |
source: OpenRouter model catalog + tracked price feeds
id: grok-4-3
Usage
Share of OpenRouter tokens
90-day · to Jul 8, 2026
source: OpenRouter model rankings · share of tracked coding-token volume
0.2% on Jul 8, 2026
Benchmarks
Benchmark results
| Benchmark | Configuration | Score | Date | Source |
|---|---|---|---|---|
| AA Agentic Index | x-ai/grok-4.3 | 24.1index | — | or-embedded-aa |
| AA Coding Index | x-ai/grok-4.3 | 42.2index | — | or-embedded-aa |
| AA Intelligence Index | x-ai/grok-4.3 | 37.6index | — | or-embedded-aa |
scores as published by each benchmark; configurations differ — compare within a row's benchmark only
Alternatives
Similar models
| # | Model | Tokens/day | 7d Δ | Head-to-head |
|---|---|---|---|---|
| 1 | DeepSeek V4 FlashDeepSeek | 2.7T | 18.7% | vs Grok 4.3 |
| 2 | Hy3Tencent | 1.3T | 11.6% | vs Grok 4.3 |
| 5 | Nemotron 3 UltraNVIDIA | 733B | 106.3% | vs Grok 4.3 |
| 7 | GLM 5.2Z.ai | 533B | 41% | vs Grok 4.3 |
ranked by OpenRouter usage-rank proximity
snapshot Aug 20, 2026
FAQ
Grok 4.3 FAQ
- How much does Grok 4.3 cost per token?
- Grok 4.3 is priced at $1.25 per million input tokens and $2.50 per million output tokens, per OpenRouter as of Aug 21, 2026.
- What is Grok 4.3's context window?
- Grok 4.3 supports a context window of up to 1M tokens, per xAI.
- How widely used is Grok 4.3?
- Grok 4.3 accounts for about 0.2% of tracked OpenRouter coding-token volume as of Jul 8, 2026.
- What are the alternatives to Grok 4.3?
- By OpenRouter usage, comparable models include DeepSeek V4 Flash, Hy3, and Nemotron 3 Ultra. Side-by-side comparisons are linked in the alternatives table.
Alerts
Track Grok 4.3
Email me when Grok 4.3's price moves or it gets deprecated.