High-volume, cost-sensitive work
Choose Grok 4.7
Grok 4.7 costs 13% less on a typical mix of three input tokens for every output token ($3.00 against $3.44 per million tokens).
GPT-5 vs Grok 4.7: price, context and capabilities
Choose GPT-5 for reused prompts and documents (RAG, agents). Choose Grok 4.7 for high-volume, cost-sensitive work, writing and code generation, very long inputs, the latest release and the most recent knowledge.
In short
- Grok 4.7 is 13% cheaper than GPT-5 at the headline price ($3.00 / 1M tokens vs $3.44 / 1M tokens).
- Grok 4.7 reads more per request: 500k tokens against 400k.
- Grok 4.7 is the newer model (September 2026, against Aug 7, 2025).
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Writing and code generation
Choose Grok 4.7
Grok 4.7 charges $6.00 per million output tokens, against $10.00 for GPT-5. Output dominates the bill when answers are long.
Reused prompts and documents (RAG, agents)
Choose GPT-5
GPT-5 charges $0.13 per million cached input tokens, against $0.50 for Grok 4.7.
Very long inputs
Choose Grok 4.7
Grok 4.7 reads up to 500k tokens per request, against 400k for GPT-5.
Reasoning over long documents
Either one
They are practically level on Long-context reasoning (AA-LCR) (78.2% and 76.7%).
Latest release
Choose Grok 4.7
Grok 4.7 is the newer release (September 2026, against Aug 7, 2025 for GPT-5).
Most recent knowledge
Choose Grok 4.7
Grok 4.7 was trained on data up to May 2026, against September 2024 for GPT-5.
Monthly cost at three volumes
| Volume | GPT-5 | Grok 4.7 | Difference |
|---|---|---|---|
| Prototype: 1M input, 250K output tokens | $3.75 | $3.50 | Grok 4.7, $0.25 less |
| Production: 20M input, 5M output tokens | $75.00 | $70.00 | Grok 4.7, $5.00 less |
| Scale: 500M input, 100M output tokens | $1,625 | $1,600 | Grok 4.7, $25.00 less |
Standard rates, without caching or batch discounts. Volumes are per month.
Specifications side by side
| GPT-5 | Grok 4.7 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Category | Language models | Language models |
| Status | Legacy | Generally available |
| Headline price | $3.44 / 1M tokens | $3.00 / 1M tokens |
| Input | $1.25 / 1M tokens | $2.00 / 1M tokens |
| Output | $10.00 / 1M tokens | $6.00 / 1M tokens |
| Cached input | $0.125 / 1M tokens | $0.50 / 1M tokens |
| Context window | 400k | 500k |
| Max output | 128k | No data |
| Released | Aug 7, 2025 | September 2026 |
| Knowledge cutoff | September 2024 | May 2026 |
| Licence | Proprietary | Proprietary |
| Capabilities | Vision, Reasoning, Tool calling, Structured output, Prompt caching, Batch API | Vision, Reasoning, Tool calling, Structured output, Prompt caching, Batch API |
| API model id | gpt-5 | grok-4.7 |
Benchmarks side by side
Leader in bold.
| Benchmark | GPT-5 | Grok 4.7 |
|---|---|---|
| Humanity's Last Exam | 28.5% | 43.1% |
| Long-context reasoning (AA-LCR) | 78.2% | 76.7% |
| Terminal-Bench Hard | 32.6% | No data |
| GPQA Diamond | 85.4% | No data |
| IFBench (instruction following) | 73.1% | No data |
| τ²-Bench (agentic tool use) | 84.8% | No data |
| MMMU-Pro (visual reasoning) | 74.2% | No data |
| Intelligence Index | No data | 46.4 |
| SciCode | No data | 57.4% |
Independent evaluations by Artificial Analysis, run the same way for every model, at the reasoning setting shown. Percentages unless marked as an index.
Frequently asked questions
Should I choose GPT-5 or Grok 4.7?
Choose GPT-5 for reused prompts and documents (RAG, agents). Choose Grok 4.7 for high-volume, cost-sensitive work, writing and code generation, very long inputs, the latest release and the most recent knowledge.
Which is cheaper, GPT-5 or Grok 4.7?
Grok 4.7 is 13% cheaper than GPT-5 at the headline price ($3.00 / 1M tokens vs $3.44 / 1M tokens).
Which has the larger context window, GPT-5 or Grok 4.7?
Grok 4.7 reads more per request: 500k tokens against 400k.
What is the difference between GPT-5 and Grok 4.7?
GPT-5 is made by OpenAI and Grok 4.7 by xAI. Grok 4.7 is 13% cheaper than GPT-5 at the headline price ($3.00 / 1M tokens vs $3.44 / 1M tokens). Grok 4.7 reads more per request: 500k tokens against 400k. Grok 4.7 is the newer model (September 2026, against Aug 7, 2025).
How much do GPT-5 and Grok 4.7 cost per month?
At 20 million input and 5 million output tokens a month, GPT-5 costs $75.00 and Grok 4.7 costs $70.00, at standard rates.
Which is newer, GPT-5 or Grok 4.7?
Grok 4.7 was released on September 2026 and GPT-5 on Aug 7, 2025.