OpenAI GPT Mini Latest is $0.5 cheaper per 1M input tokens (40% lower; 1.67x difference).
API cost decision in 10 seconds
NewGrok 4.3 vs NewOpenAI GPT Mini Latest
Pick Grok 4.3 when budget and context both matter.
Pricing data updated:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Grok 4.3 when budget and context both matter.
On the standard 1M input plus 500K output workload, Grok 4.3 is estimated at $2.5 vs $3 for OpenAI GPT Mini Latest, saving $0.5 (16.7% lower).
Cost-first pickGrok 4.3
Context-first pickGrok 4.3
Sample savings$0.516.7%
10x traffic gap$5
Grok 4.3 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $5. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Cost winner changes by workload shape: input-heavy / RAG favors OpenAI GPT Mini Latest, balanced workload favors Grok 4.3, and output-heavy chatbot favors Grok 4.3.
| Workload shape | Token mix | Better pick | Grok 4.3 | OpenAI GPT Mini Latest |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | OpenAI GPT Mini Latest | $7.5 | $6 |
| Balanced workload | 1M input + 1M output | Grok 4.3 | $3.75 | $5.25 |
| Output-heavy chatbot | 1M input + 5M output | Grok 4.3 | $13.75 | $23.25 |
Grok 4.3 is $2 cheaper per 1M output tokens (44.4% lower; 1.8x difference).
Grok 4.3 has 600K more context (2.5x larger).
Grok 4.3 is $0.5 cheaper on the standard workload (16.7% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
OpenAI GPT Mini Latest has the lower input price; Grok 4.3 has the lower output price; Grok 4.3 offers the larger context window. For the 1M input plus 500K output sample, Grok 4.3 is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $2.5 for Grok 4.3 and $3 for OpenAI GPT Mini Latest.
Choose Grok 4.3 when you care most about lower output-token price, and larger context window.
Choose OpenAI GPT Mini Latest when you care most about lower input-token price.
- On the standard 1M input plus 500K output workload, Grok 4.3 is estimated at $2.5 vs $3 for OpenAI GPT Mini Latest, saving $0.5 (16.7% lower).
- Grok 4.3 is $0.5 cheaper on the standard workload (16.7% lower).
- OpenAI GPT Mini Latest is $0.5 cheaper per 1M input tokens (40% lower; 1.67x difference).
- Grok 4.3 is $2 cheaper per 1M output tokens (44.4% lower; 1.8x difference).
- Grok 4.3 has 600K more context (2.5x larger).
| Feature | NewGrok 4.3 (xAI) | NewOpenAI GPT Mini Latest (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $1.25 | $0.75 |
| Completion Price per 1M tokens | $2.5 | $4.5 |
| Sample Workload Cost 1M input + 500K output | $2.5 | $3 |
| Context Window | 1M | 400K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Grok 4.3 | On the standard 1M input plus 500K output workload, Grok 4.3 is estimated at $2.5 vs $3 for OpenAI GPT Mini Latest, saving $0.5 (16.7% lower). |
| High-volume input processing | OpenAI GPT Mini Latest | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Grok 4.3 | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Grok 4.3 | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- Grok Build 0.1 can replace Grok 4.3 when lower sample workload cost matters most: $2.
- gpt-oss-120b (free) can replace OpenAI GPT Mini Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace OpenAI GPT Mini Latest when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace OpenAI GPT Mini Latest when lower sample workload cost matters most: $0.1.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- Owl Alpha offers 1.05M context with $0 sample workload cost.
- Gemini 3.1 Flash Lite offers 1.05M context with $1 sample workload cost.
- No popular competitor is currently available.
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
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Open OpenAI modelsGrok 4.3 is a reasoning model from xAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
This model always redirects to the latest model in the OpenAI GPT Mini family.