List price
Input / 1M$1.25Output / 1M$2.50Cache read / 1M$0.20Blended$2.188Value index—Last move—
models.dev · MIT · retrieved Oct 23, 2026
xAI
Grok 4.3
Grok 4.3 is listed by xAI at $1.25 input and $2.5 output per million tokens. The recorded context window is 1,000,000 tokens. Release date on file: 2026-04-17. LMArena's text board published 2026-10-20 gives it an overall rating of 1396.8 (rank 160, 71,347 votes). Price source: models.dev (MIT).
- Context95
- Inverse price100
- Arena67
- GPQA91
- Tools100
- Modalities67
Price history
Input and output list price. A missing day stays a gap in the line. The series is not a quality history.
Benchmarks
LMArena is CC-BY-4.0. Epoch scores, including LiveBench where Epoch publishes it, are CC-BY-4.0. A blank cell means this snapshot has no match. Nothing here is estimated.
| Benchmark | Score | Detail | Source |
|---|---|---|---|
| LMArena overall | 1396.8 | rank 160 · 71,347 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| LMArena coding | 1414.5 | rank 155 · 19,938 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| LMArena math | 1386.7 | rank 181 · 3,418 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| GPQA Diamond | 88.8% | — | Epoch AI Capabilities & benchmarking · CC-BY-4.0 |
| LiveBench | — | — | — |
| SWE-bench Verified | — | — | — |
| Epoch Capability Index | — | — | — |
Provider prices
The list row is the price used for the value index. Other rows are the same model id on models.dev, plus the LiteLLM catalog price when we have one. A split quote is kept beside the list price.
| Quote | Provider | Input / 1M | Output / 1M | Blended | Source |
|---|---|---|---|---|---|
| List | xAI | $1.25 | $2.50 | $2.188 | models.dev · MIT |
| Also listed | Standard Compute | $1.25 | $2.50 | $2.188 | models.dev · MIT |
| Also listed | DaoXE | $1.25 | $2.50 | $2.188 | models.dev · MIT |
| Also listed | Merge Gateway | $1.25 | $2.50 | $2.188 | models.dev · MIT |
| LiteLLM | xai | $1.25 | $2.50 | $2.188 | LiteLLM model_prices_and_context_window.json · MIT |
Spec
Context1,000,000Max output30,000Inputtext, image, pdfOutputtextReleased2026-04-17Open weightsNo
Spec fields are from the models.dev row for xAI.