What models are supported?

We support the latest and most capable models from all leading platforms, including OpenAI, Anthropic, Google, Meta, and DeepSeek. Our system is designed to integrate new models within hours of their public release.

How does the credit system work?

Each plan comes with a set amount of monthly credits. Credits are consumed based on the token usage of the models you interact with. We bill in micro-credits to ensure you only pay for what you actually use.

How does the credit system translate to tokens?

Credits map directly to raw token consumption. For example, $10 of credits corresponds to roughly 1 million input tokens of GPT-4o, or up to 60 million input tokens on our open-source models. View the Benchmarks section for detailed conversion rates.

Is there a free trial?

Yes! Every new account automatically starts with a 7-day Developer plan trial at no cost — 200 credits included. You get full access to multi-model comparison, API key support, and cost visibility. After 7 days, choose Personal ($10/mo) or Developer ($20/mo) to continue.

Can I cancel my subscription at any time?

Absolutely. You can manage your subscription through our billing portal and cancel at any time. Your credits will remains active until the end of your billing cycle.

Claude Opus 4.8 vs Grok-4.20 Reasoning — Price, Context, and Capability Compared

Verdict

Claude Opus 4.8 costs 3.3× more per blended million tokens than Grok-4.20 Reasoning. Grok-4.20 Reasoning has the larger context window (1,000,000 tokens). Default to Grok-4.20 Reasoning unless you specifically need Claude Opus 4.8's edge.

Spec comparison

	Claude Opus 4.8	Grok-4.20 Reasoning
Price (input)	$5.00/M	$2.00/M ✓
Price (output)	$25.00/M	$6.00/M ✓
Blended price	$10.00/M	$3.00/M ✓
Context window	500,000 tokens	1,000,000 tokens ✓
Max output	64,000 tokens	64,000 tokens
Modalities	text, vision	text, vision
Reasoning mode	Yes	Yes
Released	2026-04	2026-03
Speed	58 t/s ✓	52 t/s

Cost at scale (3:1 blended)

Tokens / month	Claude Opus 4.8	Grok-4.20 Reasoning	Delta
1,000,000	$10.00	$3.00	$7.00 (3.3×)
10,000,000	$100.00	$30.00	$70.00 (3.3×)
100,000,000	$1000.00	$300.00	$700.00 (3.3×)

Choose Claude Opus 4.8 if…

✓Elite coding and multi-step reasoning
✓Strong instruction following on ambiguous prompts
✓Extended-thinking mode
✓Complex, multi-step tasks where Fable 5’s premium isn’t justified.

Choose Grok-4.20 Reasoning if…

✓State-of-the-art document analysis at 1M context
✓Dedicated reasoning mode
✓Strong vision understanding
✓Long-document analysis and problems that benefit from explicit reasoning.

Run this exact matchup right now

Send the same prompt to Claude Opus 4.8 and Grok-4.20 Reasoning side by side and see the outputs yourself.

Try Claude Opus 4.8 vs Grok-4.20 Reasoning Free

FAQ

Is Claude Opus 4.8 cheaper than Grok-4.20 Reasoning?

Grok-4.20 Reasoning is cheaper, at $3.00 per million blended tokens vs $10.00 for Claude Opus 4.8.

Which has the bigger context window, Claude Opus 4.8 or Grok-4.20 Reasoning?

Grok-4.20 Reasoning has the larger context window: 1,000,000 tokens vs 500,000.

Can Claude Opus 4.8 replace Grok-4.20 Reasoning for coding?

Both are viable for coding. Elite coding and multi-step reasoning (Claude Opus 4.8) vs State-of-the-art document analysis at 1M context (Grok-4.20 Reasoning) — pick based on which strength matters more for your workload.

Which is faster, Claude Opus 4.8 or Grok-4.20 Reasoning?

Claude Opus 4.8 is faster: 58 t/s vs 52 t/s, measured on our speed benchmarks.

Claude Opus 4.8 pricing Grok-4.20 Reasoning pricing vs Grok 4.3 vs Gemini 3.1 Pro vs Claude Opus 4 vs Claude Fable 5 Premium model tests

Pricing verified 2026-04-06. Specs verified 2026-08-08.