GPT-6 AstravsGrok 4.7

Both language models, compared at each maker’s own API list prices. Every figure links to its source.

Compare at your usage

Every model priced for the same request
Prompt per request
Cache hits
Batch
Service tier

8,000 tokens in, 2,000 out

GPT-6 Astra on OpenAI APIGrok 4.7 on xAI API
Rate appliedBase rateBase rate
Inputper 1M tokens$10.00 $2.00
Cache readper 1M tokens$1.00 $0.50
Outputper 1M tokens$50.00 $6.00
Cost per request$0.18$0.028
Per 1,000 requests$180.00$28.00

Every model is priced for the same request at its maker’s own list prices (each with its source and date), so bold marks the cheapest. A model that can’t serve the request is named, not ranked; a condition its seller doesn’t price says which rate was used.

Cost per request as prompts grow

2K tokens out, list price on each maker’s API. GPT-6 Astra charges $20.00 / $75.00 above 272K tokens. Grok 4.7 charges $4.00 / $12.00 above 200K tokens. A line ends at the model’s context window.

0$2.00$4.00$6.000250K500K750K1Mprompt tokens per request200K272K8KGPT-6 Astra$0.18 at 8KGrok 4.7$0.028 at 8K
  • GPT-6 Astra · OpenAI API
  • Grok 4.7 · xAI API

Where each stands among all scored models

Each line runs from the lowest to the highest score on the board; the tick is the median.

Epoch Capabilities Index#1 vs #36 of 118Grok 4.7: 156.1GPT-6 Astra: 169.1LMArena Text#29 vs #62 of 163Grok 4.7: 1,441GPT-6 Astra: 1,476LMArena Text · Coding#9 vs #61 of 163Grok 4.7: 1,494GPT-6 Astra: 1,542LMArena Vision#26 vs #54 of 89Grok 4.7: 1,231GPT-6 Astra: 1,280
  • GPT-6 Astra
  • Grok 4.7

Key differences

InputMaker’s official API · global · USD
$10.00 / 1M tokens OpenAI API pricing · as of Nov 2, 2026
$2.00 / 1M tokens xAI models and pricing · as of Nov 1, 2026
OutputMaker’s official API · global · USD
$50.00 / 1M tokens OpenAI API pricing · as of Nov 2, 2026
$6.00 / 1M tokens xAI models and pricing · as of Nov 1, 2026
Context
1,050,000 GPT-6 Astra model · as of Nov 5, 2026
500,000 xAI models and pricing · as of Nov 1, 2026
Knowledge cutoff
Apr 2026 GPT-6 Astra model · as of Nov 5, 2026
May 2026 Grok 4.7 · as of Nov 1, 2026
Cache readMaker’s official API · global · USD
$1.00 / 1M tokens OpenAI API pricing · as of Nov 2, 2026
$0.50 / 1M tokens xAI models and pricing · as of Nov 1, 2026

These differences use verified vendor specifications or each maker’s official API on the same region, currency, meter and billing conditions. Different conditions remain side by side in the full table; they do not establish which model is cheaper. Declared features describe support, not measured quality or a recommendation. Missing evidence does not mean a feature is unsupported.

Full comparison

GPT-6 Astra OpenAI Grok 4.7 xAI
Overview
ReleasedSep 3, 2026 Sep 21, 2026
Open weights— —
Knowledge cutoffApr 2026 May 2026
Specs
Context1.05M 500K
Max input922K Not stated
Max output128K 500K
Input modalitiesText, Image Text, Image
Output modalitiesText Text
ReasoningYes Yes
Reasoning effortslow, medium, high, xhigh, max low, medium, high, xhigh
Reasoning can be off— Not stated
Tool useYes Yes
Structured outputYes Yes
Pricing · per 1M tokens
Input price$10.00Also priced under other conditions: Batch, Flex tier, Fast tier, Prompts over 272K tokens, Ultrafast tier $2.00Also priced under other conditions: Prompts over 200K tokens
Output price$50.00Also priced under other conditions: Batch, Flex tier, Fast tier, Prompts over 272K tokens, Ultrafast tier $6.00Also priced under other conditions: Prompts over 200K tokens
Cache read price$1.00Also priced under other conditions: Batch, Flex tier, Fast tier, Prompts over 272K tokens, Ultrafast tier $0.50Also priced under other conditions: Prompts over 200K tokens
Cache write price$12.50Also priced under other conditions: 30-minute cache, 12-hour cache, Prompts over 272K tokens, Batch, Flex tier, Fast tier, Ultrafast tier —
Blended price (3 input : 1 output)$20.00 $3.00
Pricing under conditions · per 1M tokens
Input price, long prompts$20.00Prompts over 272K tokens $4.00Prompts over 200K tokens
Output price, long prompts$75.00Prompts over 272K tokens $12.00Prompts over 200K tokens
Batch input price$5.00Batch Not offered
Batch output price$25.00Batch Not offered
Flex tier input price$5.00Flex tier Not offered
Flex tier output price$25.00Flex tier Not offered
Cited scores
Epoch Capabilities Index169.1 156.1
LMArena Text1,476 max effort1,441 xhigh effort
LMArena Text · Coding1,542 max effort1,494 xhigh effort
LMArena Vision1,280 max effort1,231 xhigh effort
LMArena Text · Chinese1,515 max effort1,495 xhigh effort
Epoch AI · GPQA Diamond95.8% max effort92.7% xhigh effort
Epoch AI · FrontierMath Tiers 1–393.7% max effort53% xhigh effort

Headline prices may come from different channels, regions or tiers. Check each source before choosing a model; missing facts stay blank.

Model details and sources

Cited scores