readable AI benchmarks (simplified)

readable AI benchmarks

OpenAI

GPT-5.5

reasoning · closed weights · Apr 23, 2026

GPT-5.5 does not yet have enough benchmark data for a Quality Score. It accepts text, image, and pdf input, outputs text, and has a 1050k token context window.

Quality Scorenot availableQuality unavailable: missing AA Intelligence and AA-Omniscience outcomes
Value Scorenot available
Factual reliabilitynot available
Cache Discountnot available

Model specification

Reasoning
reasoning
Input modalities
text, image, pdf
Output modalities
text
Context window
1050k tokens
Weights
closed weights

Token prices USD per 1M tokens

Input
not available
Output
not available
Cached Input
not available
Cache write
not available
Cost per task
not available

Capability

Intelligence
not available
Coding
not available
Agentic
not available
Omniscience
not available
Correct
not available
Blended price
not available

Answer outcomes

Fully graded outcomes (Correct + Incorrect): not available

Omniscience outcome data not available for this model.

DeepSWE operational cross-check

Pass@1
67.0%
Avg steps/scored attempt
82.02
Mean cost/scored attempt (USD)
$7.23
Mean output tokens/scored attempt
46,294.723
Mean duration/scored attempt (s)
1806 s

Mean cost/scored attempt is the official feed's mean_cost_usd: mean benchmark cost in USD per scored attempt under the source's cost basis. It is not Artificial Analysis cost per task and not token price (USD per 1M tokens). Mean output tokens/scored attempt is mean_output_tokens, also averaged over every scored attempt including scored failures. Mean duration/scored attempt is mean_duration_seconds; it is informational only, and wall-clock varies with provider and host load. These three fields do not affect Quality Score, Value Score, or Reliability. Epoch General ECI's benchmark basket includes DeepSWE v1.1, so Epoch General ECI and this DeepSWE cross-check are not independent evidence.

official DeepSWE v1.1 source

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