SpaceXAI: Grok 4.3 (batch)
Grok 4.3 is an AI model developed by x-ai that can handle text, image, and file inputs. It has a context length of 1 million tokens and supports up to 900,000 completion tokens per input. If budget is a concern, Grok 4.3 may be worth considering due to its relatively low price point: $1.0/M input and $2.0/M output tokens. However, the model's performance should also be taken into account; it holds a blended benchmark score of 57.2 across three independent benchmarks, although its coverage in these assessments is limited to three data points. Those looking for a balance between price and capabilities may want to shortlist Grok 4.3 for further evaluation.
Benchmark results
Independent, published benchmarks. Blended score 57.2 across 3 benchmarks, last refreshed 2026-09-04. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 62.6 |
| AI Index Coding | software engineering tasks | 69.7 |
| AI Index Agentic | multi-step tool-using tasks | 39.9 |
- Model ID
- x-ai/grok-4.3:batch
- Vendor
- x-ai
- Released
- April 2026
- Tokenizer
- Grok
- Input Modalities
- text, image, file
- Output Modalities
- text
- Max Output
- 900,000 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- no
What it costs in practice
Computed from the current $1.00/M input and $2.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.03 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.60 |
| A month of a busy support chatbot | 5M in / 2M out | $9.00 |
Similar models
SpaceXAI: Grok 4.6
SpaceXAI: Grok 4.5
SpaceXAI: Grok Build 0.1
SpaceXAI: Grok 4.3
SpaceXAI: Grok 4.20
SpaceXAI: Grok 4.20 Multi-Agent
Quick answers
- How much does SpaceXAI: Grok 4.3 (batch) cost?
- $1.00 per million input tokens and $2.00 per million output tokens.
- What is SpaceXAI: Grok 4.3 (batch)'s context window?
- 1,000,000 tokens, roughly 1,500 pages of text in a single request.
- Does SpaceXAI: Grok 4.3 (batch) support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can SpaceXAI: Grok 4.3 (batch) process images?
- Yes, it accepts image input.