Compare

Grok 4.6 vs O3

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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Grok 4.6
xai/grok-4.6
O3
openai/o3
Provider
xAI
OpenAI
Family
Grok 4
o-series
Modality
text
text
Context window
500,000 tok
200,000 tok
Max output
32,768 tok
100,000 tok
Released
2026-08-12
2026-05-22
License
Proprietary
Open-weight
Input price
$2.00 /1M
$2.00 /1M
Output price
$6.00 /1M
$8.00 /1M
Tools
—
—
Streaming
yes
yes
Vision
yes
—
JSON mode
—
—
Reasoning
—
—
Prompt caching
—
—
Batch API
—
—
Try it
Open in playground →
Open in playground →
Grok 4.6
xai/grok-4.6
Full spec →

xAI's Grok 4.6, a flagship reasoning model for coding, agentic tasks, and visual work. Accepts text and image inputs, and supports function calling and structured outputs.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
O3
openai/o3
Full spec →

o3 is OpenAI’s general-purpose reasoning model, balancing strong analytical performance with reasonable latency and cost.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

Claude Opus 4.7 vs Grok 4.6
anthropic/claude-opus-4.7 · xai/grok-4.6
GPT-5.4 vs Grok 4.6
openai/gpt-5.4 · xai/grok-4.6
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Grok 4.6
client.chat.completions.create(
    model="xai/grok-4.6",
    messages=[{"role":"user","content":"hello"}],
)

# O3
client.chat.completions.create(
    model="openai/o3",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyRun an eval on these →