llmburn.

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SpaceXAI: Grok 4.5

Last Verified 2026-10-01 ✓ 3 independent sources agree context 500,000 JSON ↓

Pricing matrix USD per 1M tokens

FieldConsensusEvidence
Input $2 ✓ 3 independent sources 3 sources
Output $6 ✓ 3 independent sources 3 sources
Cache read $0.3 ✓ 3 independent sources 3 sources
Cache write (5m) Unverified(未验证,不填 0) not published
Cache write (1h) Unverified(未验证,不填 0) not published
Reasoning tokens Unverified(未验证,不填 0) not published
证据链:各源原值并列(audit trail,点击展开)
FieldSourceRaw value (USD/1M)IndependentObserved
input openrouter 2.0000 yes 2026-10-01 08:00
input litellm 2.0000 yes 2026-10-01 08:00
input litellm 2.0000 yes 2026-10-01 08:00
input litellm <span class="badge mute">mirror</span> 2.0000 no 2026-10-01 08:00
input modelsdev 2.0000 yes 2026-10-01 08:00
output openrouter 6.0000 yes 2026-10-01 08:00
output litellm 6.0000 yes 2026-10-01 08:00
output litellm 6.0000 yes 2026-10-01 08:00
output litellm <span class="badge mute">mirror</span> 6.0000 no 2026-10-01 08:00
output modelsdev 6.0000 yes 2026-10-01 08:00
cache_read openrouter 0.3000 yes 2026-10-01 08:00
cache_read litellm 0.3000 yes 2026-10-01 08:00
cache_read litellm 0.3000 yes 2026-10-01 08:00
cache_read litellm <span class="badge mute">mirror</span> 0.3000 no 2026-10-01 08:00
cache_read modelsdev 0.3000 yes 2026-10-01 08:00

Long-context tier jumps ⚠

When prompt tokens cross a threshold, the entire request is re-priced at the higher tier — not just the excess. This is the #1 hidden cost on long-context workloads.

$0.89440K tokens200K跨过 200,000 tokens:$0.4060 / 请求(整请求重算)
Prompt ≥ tokensinputoutputcache read
0 (base)$2$6$0.3
200,000未验证未验证未验证

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Sources

This is an estimate based on public sticker prices, not your invoice. Machine-readable: /data/v1/pricing/x-ai-grok-4-5.json