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Grok 4.6 API

xAI model · EvoLink availability pending verification·API input and output modes not documentedChecked August 11, 2026 · No verified public API

As of August 11, Grok 4.6 has been publicly named but is not listed in xAI's API catalog, pricing page, or release notes. A brief partner-tool listing reported by users does not establish a public API release. Track the verified model ID, price, input modes, parameters, and EvoLink route here.

Is the Grok 4.6 API Actually Live?

Official and Partner Status

No official xAI API listing; users reported a temporary Cursor entry, but no official release record confirms it

EvoLink Access Status

No callable route; launch alerts are open

Model ID and Price

Not published; do not infer either from Grok 4.5

Last Verified

August 11, 2026
Community source checked August 11: temporary Cursor model-picker report
EvoLink Availability Watch

Join the Grok 4.6 API Launch Alert

We will email you after xAI publishes a callable API and EvoLink verifies the route, request contract, pricing, and production behavior.

Join the Grok 4.6 Availability List

We will only email you about Grok 4.6 availability. No spam.

Want faster updates? Join the EvoLink Discord

What the Launch Update Will Include

The update will include the verified model ID, live EvoLink pricing, input modes, supported parameters, region and limit notes, plus a migration path that keeps your current fallback available.

Where Can You Integrate Grok 4.6 Now?

Grok 4.6 is not available through a verified public API. A partner-tool UI signal may indicate rollout preparation, but neither xAI documentation nor EvoLink currently provides a verified callable route.

Not Verified

xAI API and Partner Surfaces

No xAI model ID or price is published. Users briefly reported a Grok 4.6 entry in Cursor on August 10, but the inconsistent entry lacks a Cursor changelog or xAI API record and does not prove general access.

Not Available

EvoLink API

No Grok 4.6 route is active. Join the launch alert and wait for route verification before integrating.

How We Verify Grok 4.6 API Availability

The availability answer is based on public product records, not a predicted launch date. These sources were checked on August 11, 2026.

We will change this page from availability watch to live access only after a callable model ID, commercial terms, and the EvoLink route are independently verified.

Grok 4.6 API Launch Checklist from the Grok 4.5 Baseline

Use the documented Grok 4.5 contract to prepare configuration and acceptance tests without presenting predecessor specifications as Grok 4.6 promises.

Current Grok 4.6 answer: no public model ID, price, input contract, or EvoLink route has been verified.

FieldDocumented Grok 4.5 referenceVerify for Grok 4.6
Model IDgrok-4.5; aliases include grok-4.5-latestOfficial ID, aliases, and a version-pinned identifier
Price per 1M tokensBelow 200K prompt: $2 input · $0.30 cached · $6 output. At 200K or more: $4 input · $0.60 cached · $12 outputOfficial and EvoLink live rates, long-context threshold, and cache billing
Input and outputText + image input · text outputAccepted content types, image limits, and output modes
Context window500,000 tokensMaximum context, output ceiling, and truncation behavior
CapabilitiesReasoning · function calling · structured outputsFeature parity, schemas, tool behavior, and workload quality
API compatibilityResponses API · Chat Completions APIEndpoint support, request fields, streaming events, and response shape
EvoLink routeKeep a currently callable model configured as fallbackRoute identity, request success, usage accounting, capacity, and rollback

What Are the Expected Grok 4.6 Characteristics?

Public discussion points to several possible areas of change, but xAI has not published a Grok 4.6 model card or matched evaluation. Treat each item below as a launch test target, not an API promise.

The evidence-backed answer is that no Grok 4.6 capability is officially documented yet. Its most discussed characteristics are stronger post-training, coding and agent behavior, speed and token efficiency, and one-shot UI or 3D code generation—but none has a verified Grok 4.6 benchmark.

Conflicting reports

Architecture and Parameter Scale

Some coverage describes a 1.5T V9-based iteration, while other coverage describes a 2T successor. xAI has not published a model card that resolves the conflict or cleanly attributes the reported SpaceX engineering corpus.

Launch check: Verify the official model card, exact model identity, architecture statement, context window, and input modes before using any scale claim.
Reported direction

SFT, RL, and Agent Reliability

Secondary reporting frames stronger supervised fine-tuning and reinforcement learning as the main source of improvement. There is no matched xAI evaluation proving better instruction following or agent reliability.

Launch check: Replay multi-step instructions, tool selection, tool arguments, structured outputs, recovery behavior, and human-correction rates against Grok 4.5.
Target, not benchmark

Speed and Token Efficiency

Public discussion presents Grok 4.5-like speed and token efficiency as a target. The widely repeated throughput figure belongs to Grok 4.5 and is not a verified Grok 4.6 result.

Launch check: Measure time to first token, output throughput, total task latency, reasoning tokens, and cost per accepted result under matched conditions.
Unverified capability claim

UI, Coding, Games, and 3D Output

Claims about one-shot web interfaces, games, Three.js scenes, SVG, shaders, or Minecraft-style output do not have an official Grok 4.6 evaluation behind them.

Launch check: Use fixed prompts and acceptance tests for runnable code, visual fidelity, interaction completeness, dependency errors, and revision count.

Main Grok 4.6 API Parameters and Compatibility

These are the request fields production teams should prepare and re-test. The Grok 4.5 column is a documented compatibility baseline, not a Grok 4.6 specification.

Grok 4.6 parameter support is not documented yet. The table therefore focuses on what you can prepare and verify instead of repeating an unknown status in every row.

Parameter or fieldDocumented Grok 4.5 behaviorGrok 4.6 launch-day check
modelgrok-4.5Exact ID, aliases, version pinning
input / messagesResponses input and Chat Completions messagesEndpoint parity and content-part schema
reasoning_effortlow · medium · high; high is defaultAccepted values, default, quality, latency, billing
streamSSE streaming supportedEvent names, usage events, tool deltas
tools / tool_choiceBuilt-in tools and custom functionsTool names, schemas, forced choice, billing, limits
response_formattext · json_object · json_schemaJSON Schema subset and coexistence with tools
temperature / top_pModel- and endpoint-dependentAccepted ranges and reasoning interaction
Output token limitEndpoint-specific fieldmax_output_tokens or max_tokens, ceiling, truncation
Cache / conversation keyprompt_cache_key or x-grok-conv-id guidanceReuse semantics, retention, cache accounting
Penalties and stopReasoning models reject presencePenalty, frequencyPenalty, and stopConfirm validation rules and error behavior
usageToken, reasoning, and billing usage returnedField names and invoice reconciliation
Image inputSupportedURL/base64, MIME, size, count, PDF behavior
Limits and regionsAccount- and region-specificContext, output, RPS, TPM, concurrency, regions, 429s

Keep the Model ID in Configuration

Do not hard-code a guessed Grok 4.6 identifier. Make the route and fallback an environment or deployment setting.

const activeModel = process.env.EVOLINK_PRIMARY_MODEL
const fallbackModel = process.env.EVOLINK_FALLBACK_MODEL
const grok46Candidate = process.env.EVOLINK_GROK_46_MODEL || null

// Keep EVOLINK_GROK_46_MODEL unset until EvoLink verifies a callable route.
export const modelRouting = {
  activeModel,
  fallbackModel,
  grok46Candidate,
}

What Can You Prepare Before Grok 4.6 Launches?

Prepare evidence and rollback paths now so launch-day work is validation, not a provider rewrite.

1

Keep the Model ID in Configuration

Do not hard-code a guessed Grok 4.6 identifier. Make the route and fallback an environment or deployment setting.

2

Save Representative Traces

Collect 20–50 real text, image, structured-output, and tool-call requests with expected acceptance criteria.

3

Define Production Gates

Set thresholds for task success, latency, error rate, cost per accepted task, safety, and human correction.

4

Log Compatibility Failures

Capture request validation, tool arguments, finish reasons, usage fields, reasoning cost, retries, and 429 behavior.

5

Use a Staged Rollout

Run offline, shadow, canary, and rollback checks before directing meaningful production traffic.

6

Keep a Supported Fallback

Retain the model already meeting your SLO until Grok 4.6 proves a workload-specific improvement.

Why Choose EvoLink for Grok 4.6 Access?

xAI develops Grok; EvoLink's role is to make model access easier to verify, compare, operate, and switch after a route is genuinely live.

One Unified API Contract

Keep one key, request pattern, billing surface, and observability path while the selected model changes behind configuration.

Cost and Route Verification

Compare live prices and cost per accepted task only after EvoLink validates the upstream route and usage accounting.

Fast Switch with Fallback

Add Grok 4.6 after offline and canary tests, preserve the current route, and roll back without rebuilding another provider integration.

Research Grok 4.6 Before You Integrate

Follow the release evidence, then compare the upgrade against the documented Grok 4.5 baseline.

Grok 4.6 API FAQ

Has the Grok 4.6 API launched?

No public Grok 4.6 entry was found in xAI's model catalog, pricing page, or release notes as of August 11, 2026. A public release estimate does not prove API availability.

Where can I access Grok 4.6 now?

No documented public Grok 4.6 API or EvoLink route is available. You can join the launch alert and use a supported model while access is verified.

What is the Grok 4.6 model ID?

It is not published. Do not assume grok-4.6 is a callable identifier simply because it is the product page slug.

How much does the Grok 4.6 API cost?

No official Grok 4.6 price or EvoLink SKU is available. Grok 4.5 prices on this page are labeled predecessor references, not forecasts.

Does the Cursor model-picker report mean Grok 4.6 launched?

No. Users reported a temporary Cursor listing on August 10, but Cursor published no confirming changelog and xAI still has no Grok 4.6 API record. Treat it as a partner-surface signal, not release proof.

What are the main Grok 4.6 parameters?

Production teams should track model, input or messages, reasoning_effort, stream, tools, tool_choice, response_format, sampling, output limits, cache keys, usage, context, rate limits, and regions. Exact Grok 4.6 support is not documented yet.

Will Grok 4.6 support reasoning effort controls?

That has not been documented. Grok 4.5 supports low, medium, and high reasoning effort, so EvoLink will test those values rather than assume parity.

Can I use structured outputs and function calling?

Grok 4.6 support is unconfirmed. Both are documented Grok 4.5 capabilities and therefore belong in the launch compatibility test suite.

Why use EvoLink instead of integrating another provider directly?

EvoLink is useful when you want one API surface, centralized billing and observability, model choice, verified routing, and a retained fallback. It does not make an unavailable upstream model callable.

Can I switch quickly when Grok 4.6 launches?

Yes, if your model ID is configurable and your application uses the shared request subset. Switch only after the EvoLink route passes compatibility, quality, latency, cost, and rollback gates.

What should I test before production?

Test representative text and image inputs, reasoning settings, tools, structured JSON, streaming, context, output limits, usage accounting, rate limits, latency, safety, and fallback behavior.

What does the EvoLink alert provide?

A notification after the official API identity and EvoLink route are verified, followed by the confirmed model ID, price, input modes, parameters, limits, and migration guidance.