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HEAD TO HEAD · UPDATED NOV 6, 2026
Gemini 4 Argon vs DeepSeek V4-Pro
Google DeepMind against DeepSeek, on sourced numbers only. Green marks the higher (or cheaper) value on each row; the text below only calls a lead when the gap is bigger than measurement noise.
| Gemini 4 Argon | DeepSeek V4-Pro | |
|---|---|---|
| Arena Elo | 1520 source ↗ | 1465 source ↗ |
| GPQA Diamond | 96.4% source ↗ | 92.4% source ↗ |
| $ per 1M in / out | $2 / $10 source ↗ | $0.66 / $1.98 source ↗ |
| Blended $ per 1M (3:1) | $4.00 source ↗ | $0.99 source ↗ |
| Context window | 1M source ↗ | 1M source ↗ |
| Output speed | 74 tok/s source ↗ | not published |
| Released | Oct 13, 2026 source ↗ | Aug 13, 2026 source ↗ |
| Open weights | No source ↗ | Yes source ↗ |
| Reasoning effort tiers | low · medium · high (default: medium) | low · high · max (default: high) |
| API effort control | thinking_config={"thinking_level": "low" | "medium" | "high"} source ↗ | thinking={"type": "enabled" | "disabled"}, reasoning_effort="low" | "high" | "max" (medium and xhigh map to high) source ↗ |
| Additional benchmarks | DeepSWE v1.1: 77.9% source ↗ AA Intelligence Index v5.0.1: 50 (High) source ↗ | SWE-bench Verified: 80.6% (April V4 preview card, Max) source ↗ |
| Best for (workload) | Highest GPQA Diamond score we track (96.4%, Epoch AI) and the top Arena Text score among models you can use today (1520). source ↗ | Higher GPQA Diamond than V4.1-Flash (92.4% vs 90.9%, DeepSeek); MIT open weights. source ↗ |
Arena Elo from the arena.ai text leaderboard as of Oct 27, 2026 source ↗. Speed measured by Artificial Analysis and varies by provider.
Which one should I use?
For high-volume work where cost matters most, DeepSeek V4-Pro is about 4.0 times cheaper per token. For overall answer quality as rated by people in blind tests, Gemini 4 Argon leads clearly (1520 vs 1465 Arena Elo). For hard science and analysis questions, Gemini 4 Argon scores higher on GPQA Diamond (96.4% vs 92.4%). If you need to self-host or fine-tune, only DeepSeek V4-Pro has open weights. On release timing, Google DeepMind is at day 24 of a typical ~32-day gap (MID-CYCLE), and DeepSeek is at day 20 of a typical ~32-day gap (MID-CYCLE).
Key differences from the sourced numbers
- DeepSeek V4-Pro is the cheaper option: $0.99 vs $4.00 per 1M tokens at a 3:1 input-to-output mix (about 4.0 times less).
- Gemini 4 Argon scores 55 Elo points higher (1520 vs 1465) on the Arena text leaderboard, where people vote on blind side-by-side answers.
- On GPQA Diamond, graduate-level science questions, Gemini 4 Argon leads 96.4% to 92.4%.
- Gemini 4 Argon pricing note: Introductory price until Nov 30, 2026; $4 / $20 from Dec 1. No higher rate for long prompts.
- DeepSeek V4-Pro pricing note: Off-peak price (cache hit $0.022 / 1M). Peak hours (01:00 to 04:00 and 06:00 to 10:00 UTC, weekdays): $1.32 / $3.96 (cache hit $0.044 / 1M). API continues until V4.1-Pro launches.
Frequently asked questions
Is Gemini 4 Argon or DeepSeek V4-Pro better?
DeepSeek V4-Pro is the cheaper option: $0.99 vs $4.00 per 1M tokens at a 3:1 input-to-output mix (about 4.0 times less). Gemini 4 Argon scores 55 Elo points higher (1520 vs 1465) on the Arena text leaderboard, where people vote on blind side-by-side answers. On GPQA Diamond, graduate-level science questions, Gemini 4 Argon leads 96.4% to 92.4%. Gemini 4 Argon pricing note: Introductory price until Nov 30, 2026; $4 / $20 from Dec 1. No higher rate for long prompts. DeepSeek V4-Pro pricing note: Off-peak price (cache hit $0.022 / 1M). Peak hours (01:00 to 04:00 and 06:00 to 10:00 UTC, weekdays): $1.32 / $3.96 (cache hit $0.044 / 1M). API continues until V4.1-Pro launches.
Which one should I use: Gemini 4 Argon or DeepSeek V4-Pro?
For high-volume work where cost matters most, DeepSeek V4-Pro is about 4.0 times cheaper per token. For overall answer quality as rated by people in blind tests, Gemini 4 Argon leads clearly (1520 vs 1465 Arena Elo). For hard science and analysis questions, Gemini 4 Argon scores higher on GPQA Diamond (96.4% vs 92.4%). If you need to self-host or fine-tune, only DeepSeek V4-Pro has open weights. On release timing, Google DeepMind is at day 24 of a typical ~32-day gap (MID-CYCLE), and DeepSeek is at day 20 of a typical ~32-day gap (MID-CYCLE).
How much does Gemini 4 Argon cost compared with DeepSeek V4-Pro?
Gemini 4 Argon lists at $2 / $10 per 1M input/output tokens ($4.00/1M blended at 3:1). DeepSeek V4-Pro lists at $0.66 / $1.98 per 1M input/output tokens ($0.99/1M blended at 3:1).
Facts checked Nov 5, 2026 against official sources. Every number links to its source. Spotted an error? Email [email protected].