Side-by-side comparison · models
Grok 4.20 vs Grok 4.3 (batch)
What we have checked about each, line by line. Every value shows where it came from and when we last confirmed it.
Models
Grok 4.20
Grok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities.
Models
Grok 4.3 (batch)
Grok 4.3 is a reasoning model from SpaceXAI.
Checked facts
Line by line
| Measure | Grok 4.20 | Grok 4.3 (batch) |
|---|---|---|
| Input price | $1.25 per million tokens | Not checked yet |
| Output price | $2.50 per million tokens | Not checked yet |
| Price on xai | $0.200 per million cached input tokens | Not checked yet |
| Price on xai | $1.25 per million input tokens | Not checked yet |
| Price on xai | $2.50 per million output tokens | Not checked yet |
| Latest version | x-ai/grok-4.20-20260309 | x-ai/grok-4.3-20260430 |
| Time to first token (ms) on xai | 651 | Not checked yet |
| Output speed (tokens a second) on xai | 72 | Not checked yet |
| Time to first token (ms) | Not checked yet | 18,390 |
| Output speed (tokens a second) | Not checked yet | 81 |
| Tokens served on OpenRouter in a day | 3.1B (for 10 Nov 2026) | Not checked yet |
| Tool calls on OpenRouter in a day | 40.2K (for 10 Nov 2026) | Not checked yet |
| Artificial Analysis Intelligence Index | 25.7 | Not checked yet |
| Design Arena rating (Elo) | 1,226 | Not checked yet |
| Gpqa diamond | 89.3% (for 17 Feb 2026) | Not checked yet |
| Frontiermath tiers 1 3 v2 private | 44.9% (for 17 Feb 2026) | Not checked yet |
| Terminal bench | 57.3% (for 17 Feb 2026) | Not checked yet |
| Simpleqa verified | 30.2% (for 17 Feb 2026) | Not checked yet |
| Arc agi 2 | 65.1% (for 17 Feb 2026) | Not checked yet |
| Arc agi | 89.5% (for 17 Feb 2026) | Not checked yet |
| Chess puzzles | 29% (for 17 Feb 2026) | Not checked yet |
| Cl bench | 22.2% (for 17 Feb 2026) | Not checked yet |
| Cl bench life | 11.9% (for 17 Feb 2026) | Not checked yet |
| Dtbench | 90.1% (for 17 Feb 2026) | Not checked yet |
| Frontiermath tier 4 v2 private | 17.1% (for 17 Feb 2026) | Not checked yet |
| Lmca | 38.7% (for 17 Feb 2026) | Not checked yet |
| Proofbench | 14% (for 17 Feb 2026) | Not checked yet |
| Weirdml | 52.3% (for 17 Feb 2026) | Not checked yet |
| Otis mock aime 2024 2025 | 92.2% (saturated benchmark: the top models all score near the ceiling) (for 17 Feb 2026) | Not checked yet |
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