DeepSeek V4 Pro vs Grok 4.6: pricing and benchmarks
DeepSeek V4 Pro is 34% cheaper on input tokens ($1.32 vs $2.00 per 1M). DeepSeek V4 Pro is 34% cheaper on output tokens ($3.96 vs $6.00 per 1M). On our document Q&A workload (50,000 questions a month), DeepSeek V4 Pro costs $646.80 a month versus $980.00 for Grok 4.6, 34% less. Roughly tied. DeepSeek V4 Pro scores 155.5 and Grok 4.6 scores 156.3 on the Epoch Capabilities Index, and their confidence intervals overlap.
Prices verified September 14, 2026.
Which should you choose?
Roughly tied. DeepSeek V4 Pro scores 155.5 and Grok 4.6 scores 156.3 on the Epoch Capabilities Index, and their confidence intervals overlap.
About even on FrontierMath (Tiers 1–3): 64.6% for DeepSeek V4 Pro and 66.0% for Grok 4.6.
DeepSeek V4 Pro costs $1.98 per 1M tokens (3:1 input-to-output mix) vs $3.00 for Grok 4.6, 34% less.
DeepSeek V4 Pro delivers statistically similar overall capability for 34% less.
Pricing and specs
| DeepSeek V4 Pro | Grok 4.6 | |
|---|---|---|
| Provider | DeepSeek | xAI |
| API model ID | deepseek-v4-pro | grok-4.6 |
| Input / 1M tokens | $1.32 | $2.00 |
| Cached input / 1M tokens | $0.044 | $0.50 |
| Output / 1M tokens | $3.96 | $6.00 |
| Long-context rates | — | $4.00 in / $12.00 out above 200K prompt tokens |
| Context window | 1M tokens | 500K tokens |
| Max output | 384K tokens | — |
| Batch discount | — | — |
Benchmarks
| DeepSeek V4 Pro | Grok 4.6 | |
|---|---|---|
| Epoch Capabilities Index | 155.5 | 156.3 |
| GPQA Diamond· Science reasoning | 88.9% | 92.0% |
| FrontierMath (Tiers 1–3)· Advanced math | 64.6% | 66.0% |
| SimpleQA Verified· Factual accuracy | 52.9% | 49.3% |
| ARC-AGI-2· Abstract reasoning | 61.3% | 67.1% |
| DeepSWE· Coding | — | 67.5% |
| APEX-Agents· Agentic work | — | 41.2% |
Source: Epoch AI, best recorded result per model (CC BY 4.0). A dash means no published score. See all benchmarks
Monthly cost for real workloads
| Workload | DeepSeek V4 Pro | Grok 4.6 | Difference |
|---|---|---|---|
Support chatbot 100,000 replies a month, ~1,500 input tokens (system prompt + history) and ~400 output tokens each. | $356.40 | $540.00 | DeepSeek V4 Pro 34% cheaper |
Document Q&A (RAG) 50,000 questions a month with ~8,000 tokens of retrieved context and ~600 output tokens each. | $646.80 | $980.00 | DeepSeek V4 Pro 34% cheaper |
Coding agent 10,000 agent steps a month, ~40,000 input tokens each (70% read from the prompt cache) and ~2,000 output tokens. | $249.92 | $500.00 | DeepSeek V4 Pro 50% cheaper |
Estimates use standard list prices and ignore cache-write surcharges. Different tokenizers can count the same text differently, so test with your own prompts.
DeepSeek V4 Pro vs Grok 4.6 cost calculator
- $646.80/mo$0.01 / request
- Grok 4.6xAI$980.00/mo$0.02 / request
Standard-tier list prices. Long-context rates apply automatically where the provider publishes a threshold. Excludes cache-write surcharges, taxes, batch and volume discounts.
DeepSeek V4 Pro pricing notes
DeepSeek’s larger V4 model with thinking and non-thinking modes and tool calls.
- Prices shown are peak rates. Off-peak rates are half: peak hours are 01:00–04:00 and 06:00–10:00 UTC, Monday to Friday.
- Vision input is not supported.
Grok 4.6 pricing notes
xAI’s flagship model for code and everything else, with agentic tool calling and configurable reasoning.
- Requests with 200K or more prompt tokens are billed at $4 input / $1 cached / $12 output for all tokens.
- Web Search and X Search tools cost $5 per 1,000 calls.
Frequently asked questions
- Is DeepSeek V4 Pro cheaper than Grok 4.6?
- DeepSeek V4 Pro is 34% cheaper on input tokens ($1.32 vs $2.00 per 1M). DeepSeek V4 Pro is 34% cheaper on output tokens ($3.96 vs $6.00 per 1M). On our document Q&A workload (50,000 questions a month), DeepSeek V4 Pro costs $646.80 a month versus $980.00 for Grok 4.6, 34% less.
- Which is more capable, DeepSeek V4 Pro or Grok 4.6?
- Roughly tied. DeepSeek V4 Pro scores 155.5 and Grok 4.6 scores 156.3 on the Epoch Capabilities Index, and their confidence intervals overlap.
- How much does DeepSeek V4 Pro cost per 1M tokens?
- DeepSeek V4 Pro costs $1.32 per 1M input tokens and $3.96 per 1M output tokens, and $0.044 per 1M cached input tokens on DeepSeek’s standard tier.
- How much does Grok 4.6 cost per 1M tokens?
- Grok 4.6 costs $2.00 per 1M input tokens and $6.00 per 1M output tokens, and $0.50 per 1M cached input tokens on xAI’s standard tier.
- Which has the larger context window, DeepSeek V4 Pro or Grok 4.6?
- DeepSeek V4 Pro has the larger context window: 1M tokens versus 500K for Grok 4.6.