A strong STEM-focused flagship with unique real-time X data access, but priced high for what it delivers versus Claude Sonnet 4 and GPT-4o.
80
Coding
74
Writing
82
Research
0
Images
42
Value
55
Long Context
Use this when
Users who need strong reasoning and coding capabilities with access to real-time X/Twitter data for current events and social context.
Skip this if
You're working with very long documents or codebases exceeding 100K tokens, or need the most cost-efficient flagship-tier model.
Pricing
$3.00/1M in
$15.00/1M out
→0%since May 2026
Context
131k tokens
Speed
Balanced
Available via xAI API and integrated into X Premium subscriptions. Real-time X data access is a differentiating feature not available on competing models. Pricing is competitive but output costs are on the higher end for balanced-tier models.
Access to real-time X/Twitter data gives it an edge for current events and social media analysis
Strong mathematical and scientific reasoning, competitive with Claude Sonnet 4 on STEM benchmarks
Solid coding performance across Python, JavaScript, and systems languages
Relatively direct and unfiltered response style compared to more cautious competitors
Weaknesses
Context window of 131K is smaller than Gemini 1.5 Pro (1M) or Claude's 200K, limiting very long document tasks
Output cost of $15/1M tokens is expensive relative to Claude Sonnet 4 ($15/1M) and GPT-4o ($10/1M) for equivalent quality
Ecosystem and third-party integrations are less mature than OpenAI or Anthropic offerings
Real-world use cases
What people actually use Grok 3 for.
Analyzing trending X/Twitter narratives and synthesizing them into a research brief
Writing and debugging complex Python data pipelines with multi-step reasoning
Solving graduate-level math or physics problems with step-by-step derivations
How Grok 3 compares
The nearest models people weigh against it, and what actually separates them.
vs Grok 3 Beta — Against Grok 3 Beta (xAI), Grok 3 lands within a few percent on price. Which one wins depends on whether context depth or latency is your constraint.
vs Claude 3.5 Sonnet — Against Claude 3.5 Sonnet (Anthropic), Grok 3 runs about 50% cheaper per token and gives up 1.5x on context. Take Grok 3 unless you specifically need what Claude 3.5 Sonnet does better.
vs Claude Fable 5 — Against Claude Fable 5 (Anthropic), Grok 3 runs about 70% cheaper per token, gives up 7.6x on context and answers faster. Take Grok 3 unless you specifically need what Claude Fable 5 does better.
Price History
Grok 3 pricing over time
→0% since May 30
90 data points · tracked daily since May 30, 2026
Ready to try it?
Start using Grok 3
Users who need strong reasoning and coding capabilities with access to real-time X/Twitter data for current events and social context.. Start free — no card required.
Grok 3 Beta is xAI's flagship large language model, trained on a massive dataset with claimed real-time access to X (Twitter) data and strong reasoning capabilities. It competes directly with frontier models like Claude Sonnet 4 and GPT-4o across coding, analysis, and general tasks.
Verdict
A powerful but unproven flagship that earns its place for STEM and real-time social data use cases, but the beta tag means it's not yet ready to dethrone Anthropic or OpenAI at this price.
Quality score
71%
Pricing
$3.00/1M in
$15.00/1M out
Speed
Balanced
3/5 speed
Context
131k tokens
Model is currently in beta, meaning capabilities and pricing may change. Real-time X data integration depends on xAI's API access policies, which may be subject to change. No image generation support confirmed.
FrontierSTEMReal-timexAIBeta
Best for
Users who want a frontier-capable model with real-time social context from X and strong STEM reasoning at a mid-range price point.
Claude 3.5 Sonnet is Anthropic's mid-cycle flagship model, balancing strong reasoning, coding, and instruction-following with a 200K context window. It sits between Haiku and Opus in Anthropic's lineup, offering near-flagship quality at a lower cost than top-tier models.
Verdict
One of the best models for coding and complex instruction-following, but its premium pricing demands premium use cases.
Quality score
81%
Pricing
$6.00/1M in
$30.00/1M out
Speed
Balanced
3/5 speed
Context
200k tokens
Pricing at $6 input / $30 output per million tokens is significantly higher than GPT-4o ($2.50/$10). Best accessed via Anthropic API or Amazon Bedrock. Claude 3.5 Sonnet (October 2024 version) supersedes the June 2024 release with improved performance.
Anthropic's new Mythos-class flagship and the most capable coding model anyone can use — 80.3% SWE-Bench Pro, an 11-point jump over Opus 4.8. 1M context, 128K output, native parallel subagents. Released June 9, 2026.
Verdict
New global #1 — 80.3% SWE-Bench Pro, the most capable model generally available.
Quality score
98%
Pricing
$10.00/1M in
$50.00/1M out
Speed
Deliberate
2/5 speed
Context
1M tokens
Launched June 9, 2026 as the public, Mythos-class release. Available on the Claude API, Microsoft Foundry, and Google Vertex AI. Free for all users until June 22, 2026. Same underlying model as Claude Mythos 5, with safeguards that block specific high-risk cyber responses.
Coding leaderSWE-Bench Pro #1Mythos-classParallel subagentsAgenticLong contextPremiumNew
Best for
The hardest coding tasks, autonomous multi-step agents, and frontier-grade reasoning
Pricing moves, ranking shifts, and capability updates.
New ModelMar 27, 2026
xAI: Grok 3 — added to UseRightAI
xAI: Grok 3 (xAI) is now indexed. A strong STEM-focused flagship with unique real-time X data access, but priced high for what it delivers versus Claude Sonnet 4 and GPT-4o.
Grok 3 costs $3 per million input tokens and $15 per million output tokens on the API. A month of 10M input and 2M output tokens runs about $60.00 at list price, before any batch or caching discounts.
What is Grok 3 best for?
Grok 3 is best for users who need strong reasoning and coding capabilities with access to real-time x/twitter data for current events and social context.. It is a strong fit when that workflow matters more than the tradeoffs around balanced pricing and balanced speed.
When should I avoid Grok 3?
You're working with very long documents or codebases exceeding 100K tokens, or need the most cost-efficient flagship-tier model.
What is a cheaper alternative to Grok 3?
GPT-5.1-Codex-Max (OpenAI) at $1.25/1M/1M input against Grok 3's $3.00/1M/1M — roughly 38% less per token all in. The strongest choice for serious software engineering work, provided you can absorb the output-side pricing. Compare it first if Grok 3's pricing is the thing stopping you.
What is a faster alternative to Grok 3?
Grok 3 Beta — balanced against Grok 3's balanced, with 131k tokens of context. Worth the swap when response time is what your users notice rather than the last few points of reasoning depth.
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