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Grok 4.5

Version 4.5 benchmark runs across the shared Superbash visual prompts.

API pricing

USD per million tokens · xAI API (<200K input tokens)
Input
$2
Output
$6
Cached input
$0.3
Context window
500K
Pricing details and specifications

Inspect the original visual runs

Open the generated scene to test it, or compare that prompt with another model.

1 run
Retired tests · 6 archived runs

These tests are no longer in the active suite. Their original results remain available for inspection.

Jabberwock · 2026-07-09 →Low Poly World · 2026-07-09 →Office Life · 2026-07-09 →Petri Dish · 2026-07-09 →Universe Simulator · 2026-07-09 →Vice City · 2026-07-09 →

Official benchmark profile

Published scores outside our visual tests

SpaceXAI sourceJuly 2026Source report →
Coding

DeepSWE 1.0

62.0%
Coding

DeepSWE 1.1

53.0%
Long-horizon coding

SWE Marathon

29.0%
Full official benchmark table6 scores and peer comparisons
BenchmarkAreaScoreComparison
DeepSWE 1.0Coding62.0%
DeepSWE 1.1Coding53.0%
SWE MarathonLong-horizon coding29.0%
SWE Bench Pro output tokensEfficiency15,954 avg.
Output-token efficiencyEfficiency4.2x fewer than Opus 4.8
Serving speedLatency80 TPS
Sources, pricing details and methodology

Verified model facts

Model specifications

Pricing source · checked 2026-09-08 ↗
Status
Superseded in this ranking
API model ID
grok-4.5
Context
500K
Max output
Not publicly verified
License
Not publicly verified
Access route
Not publicly verified
Modalities
Not publicly verified
Hardware
Not publicly verified
xAI API (<200K input tokens) · USD / 1M tokens
$2 input · $0.3 cached input · $6 output

At 200K input tokens or more, all tokens in the request use $4 input, $0.6 cached input, and $12 output per 1M tokens.

Benchmark sources

xAI describes Grok 4.5 as a coding, agentic-task, and knowledge-work model. xAI publishes different benchmark rows than OpenAI/Anthropic, so only direct source comparisons are shown.

Introducing Grok 4.5

Evaluation settings

  • xAI reported software-engineering benchmark.
  • xAI reported long-horizon coding benchmark.
  • Average output tokens on SWE Bench Pro tasks.
  • xAI comparison on SWE Bench Pro tasks.
  • Reported generation speed.
Output-token efficiency
xAI compares Grok 4.5 against Opus 4.8 max on SWE Bench Pro tasks.