API cost decision in 10 seconds

NewGrok 4.6 vs GPT Chat Latest

Pick Grok 4.6 when budget and context both matter.

Page updated: 2026-08-12T16:08:21Z Data confirmed: 2026-08-23T13:07:49Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Grok 4.6 when budget and context both matter.

On the standard 1M input plus 500K output workload, Grok 4.6 is estimated at $5 vs $20 for GPT Chat Latest, saving $15 (75% lower).

Cost-first pickGrok 4.6

Context-first pickGrok 4.6

Sample savings$1575%

10x traffic gap$150

Grok 4.6 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $150. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Grok 4.6 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Grok 4.6	GPT Chat Latest
Input-heavy / RAG	5M input + 500K output	Grok 4.6	$13	$40
Balanced workload	1M input + 1M output	Grok 4.6	$8	$35
Output-heavy chatbot	1M input + 5M output	Grok 4.6	$32	$155

Cheaper input Grok 4.6 $2 vs $5 / 1M

Grok 4.6 is $3 cheaper per 1M input tokens (60% lower; 2.5x difference).

Cheaper output Grok 4.6 $6 vs $30 / 1M

Grok 4.6 is $24 cheaper per 1M output tokens (80% lower; 5x difference).

Larger context Grok 4.6 500K vs 400K

Grok 4.6 has 100K more context (1.25x larger).

Sample workload Grok 4.6 $5 vs $20

Grok 4.6 is $15 cheaper on the standard workload (75% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Grok 4.6 Calculating… Estimated API cost

GPT Chat Latest Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Grok 4.6 has the lower input price; Grok 4.6 has the lower output price; Grok 4.6 offers the larger context window. For the 1M input plus 500K output sample, Grok 4.6 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $5 for Grok 4.6 and $20 for GPT Chat Latest.

Best Fit

Choose Grok 4.6 when you care most about lower input-token price, lower output-token price, and larger context window.

Choose GPT Chat Latest when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes

On the standard 1M input plus 500K output workload, Grok 4.6 is estimated at $5 vs $20 for GPT Chat Latest, saving $15 (75% lower).
Grok 4.6 is $15 cheaper on the standard workload (75% lower).
Grok 4.6 is $3 cheaper per 1M input tokens (60% lower; 2.5x difference).
Grok 4.6 is $24 cheaper per 1M output tokens (80% lower; 5x difference).
Grok 4.6 has 100K more context (1.25x larger).

Head-to-Head Specs

Feature	NewGrok 4.6 (SpaceXAI)	GPT Chat Latest (OpenAI)
Input Price prompt tokens per 1M	$2	$5
Completion Price per 1M tokens	$6	$30
Sample Workload Cost 1M input + 500K output	$5	$20
Context Window	500K	400K
Release Date	2026-08-12	2026-05-05

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Grok 4.6	On the standard 1M input plus 500K output workload, Grok 4.6 is estimated at $5 vs $20 for GPT Chat Latest, saving $15 (75% lower).
High-volume input processing	Grok 4.6	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Grok 4.6	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Grok 4.6	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Grok Build 0.1 can replace Grok 4.6 when lower sample workload cost matters most: $2.
Grok 4.3 can replace Grok 4.6 when lower sample workload cost matters most: $2.5.
Grok 4.20 Multi-Agent can replace Grok 4.6 when lower sample workload cost matters most: $2.5.
Grok 4.20 can replace Grok 4.6 when lower sample workload cost matters most: $2.5.

Larger context near this budget

Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.

Popular competitors

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Ox Alpha · stealth · #4

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Provider catalogs

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SpaceXAI catalog

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OpenAI catalog

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