Models & Pricing

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ComparisonGPT-6.1 Terra Fast
gpt-6.1-terra-fast
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TypeChat—
Best forVisual reasoning, document analysis and clear writing—
TokenRex price$1.40 in / $7.00 out per 1M tokens—
Cached input / 1M tokens$0.07 per 1M tokens—
Cache write / 1M tokens$1.75 per 1M tokens—
Cached outputNot offered · standard output rate applies—
Web search$7.00 per 1K searches—
Market price$2.00 in / $10.00 out per 1M tokens—
Context window (provider)1,050,000 tokens—
Input token limit (provider)Within the context window—
Maximum output128,000 tokens—
Knowledge cutoffJune 1, 2026—
Vendor input modalitiesText, Image—
Vendor output modalitiesText—
TokenRex endpointsPOST /v1/chat/completions · POST /v1/responses—
TokenRex inputText, Image—
TokenRex outputText—
ThinkingLow, Medium, High, Extra high and Max; Max requires Responses. Native none is also accepted.—
ResponsesStreaming, function tools, strict JSON and built-in web search verified with direct requests.—
FastPriority serving verified as service_tier fast; 2× standard token rates. Bill the tier actually served.—
Benchmarks

No overall score, winner or cost-versus-score frontier is calculated without comparable, attributable benchmark evidence. Different test configurations appear separately. Vendor capabilities are distinct from TokenRex API support.

— means no published value or no matching capability. Provider token limits are not tested gateway guarantees; TokenRex media controls and response formats are listed separately.

GPT-6.1 Terra Fast

Sources and verification

Provider specifications describe the upstream model, not a guarantee of every feature through TokenRex. Prices come from the enabled catalog; benchmark results belong to the exact tested model.

Research notes (7)
  • No separate Fast benchmark results are verified; do not inherit Standard scores.
  • Priority is billed only when the returned tier is fast or priority.
  • Official Standard rates per 1M tokens: $1 input, $5 output, $0.05 cached input, $1.25 cache write (30 minutes); current TokenRex offer applies to these rates.
  • Above 272,000 input tokens, the entire request uses 2× input/cache rates and 1.5× output rates. Fast adds its 2× token multiplier.
  • 12-hour cache writes cost $2.50 per 1M tokens before offer and long-context multipliers; use prompt_cache_options.ttl=12h on Responses. Cached output is not offered.
  • Official launch material mentions benchmark comparisons, but no exact-version numeric scores were verified during this review. Benchmark gaps are left empty; no other model scores are inherited.
  • Maximum-capacity inputs and outputs, repeated cache hits and hosted computer-use execution were not independently tested.

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