GPT-6 Astra (batch) Paid vs 
Grok 4.6 Paid
GPT-6 Astra (batch) vs Grok 4.6 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
GPT-6 Astra (batch) — full profile › · Grok 4.6 — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$25 /M outputManaged API (no infra to run)
$6 /M outputManaged API (no infra to run)
GPT-6 Astra (batch) vs Grok 4.6 specs
| Spec | GPT-6 Astra (batch) | Grok 4.6 | Winner |
|---|---|---|---|
| Maker | OpenAI | xAI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1.1M tokens | 500K tokens | |
| Input price | $5/M | $2/M | |
| Output price | $25/M | $6/M | |
| Vision / multimodal | Yes | Yes | = Tie |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
Grok 4.6 is ~4.2× cheaper than GPT-6 Astra (batch) on output tokens ($6 vs $25 per M tokens).
- You want frontier performance through a managed API
- You need the longer 1.1M context window
- You value reliability & ecosystem
- You don't want to manage infrastructure
- You want frontier performance through a managed API
- You want the lower output price
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | GPT-6 Astra (batch) | Grok 4.6 |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✓ | ✗ |
Benchmarks: GPT-6 Astra (batch) vs Grok 4.6
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How GPT-6 Astra (batch) and Grok 4.6 score
| Criterion | GPT-6 Astra (batch) | Grok 4.6 |
|---|---|---|
| Cost-efficiency | 3.0 | 4.0 |
| Context window | 5.0 | 4.5 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
GPT-6 Astra (batch) Paid
GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...
Grok 4.6 Paid
Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Other models in these families
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Frequently asked questions
GPT-6 Astra (batch) vs Grok 4.6 — which is cheaper?
Grok 4.6 is cheaper on output ($6/M vs $25/M).
Which has the larger context window?
GPT-6 Astra (batch) offers the larger context window (1.1M tokens).
GPT-6 Astra (batch) vs Grok 4.6 — which should I pick in 2026?
Choose Grok 4.6 for the lower output price ($6/M vs $25/M). Choose GPT-6 Astra (batch) if you need the larger 1.1M context window.
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