xAI · 2026-04-30
Grok 4.3 pricing
Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
Prices from OpenRouter’s models API, updated October 29, 2026
What Grok 4.3 costs a month
| Workload | Standard | Batch API |
|---|---|---|
| Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out | $86.25 | $69.00 |
| Daily summaries: 10,000 a day, 3,000 tokens in, 300 out | $1,350 | $1,080 |
| Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out | $355 | $307 |
30 days. Cached input billed at the cache-read price. Use your own numbers.
Cheaper models with a similar context window
| Model | Provider | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|---|
| GLM 5.3 Flash | Z.ai | $0.046 | $0.074 | $0.03 | 1.05M | $2.95 |
| Qwen3.7 Flash | Alibaba Qwen | $0.03 | $0.13 | $0.006 | 1M | $2.91 |
| Ling 3.0 Flash VL | inclusionai | $0.06 | $0.18 | $0.012 | 131K | $4.86 |
| Ternary Bonsai 2 9B | prism-ml | $0.08 | $0.13 | $0.04 | 262K | $5.16 |
| Nex-N2.5-Pro | nex-agi | $0.075 | $0.25 | $0.015 | 262K | $6.38 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Cheaper isn’t automatically as good. Glow’s GlowBench scores models on your kind of task before suggesting a swap.
Other Grok models
| Model | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|
| Grok 4.7 | $2 | $6 | $0.50 | 500K | $162 |
| Grok 4.6 | $2 | $6 | $0.50 | 500K | $162 |
| Grok 4.5 | $2 | $6 | $0.30 | 500K | $162 |
| Grok Build 0.1 | $1 | $2 | $0.20 | 256K | $69.00 |
| Grok 4.20 | $1.25 | $2.50 | $0.20 | 2M | $86.25 |
| Grok 4.20 Multi-Agent | $1.25 | $2.50 | $0.20 | 2M | $86.25 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Related
Grok 4.3: questions
How much does Grok 4.3 cost?
$1.25 per 1M input tokens and $2.50 per 1M output tokens, with cached input at $0.20, or $1 / $2 through the batch API. A 1,000-token prompt with a 500-token answer costs about $0.0025.
What is Grok 4.3’s context window?
1,000,000 tokens, with up to 900,000 output tokens per response.
Is there a cheaper alternative to Grok 4.3?
GLM 5.3 Flash costs $0.046 in and $0.074 out per 1M tokens with a similar context window. Whether it matches Grok 4.3’s quality depends on the task: test it on your own prompts (Glow’s GlowBench does this per task).
Know what each model really costs you.
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